A 55 newton force applied on an object moves the object 10 meters in the same direction as the force. What is the value of work done on the object?

The time of flight is obtained as 25.9 seconds

The time of flight is the time taken to move the object that have been projected along the parabolic path. In this case, we have a cannonball that have been fired  from level ground with a velocity of 240.0 m/s at an angle of 32 degrees.

We know that from the question

T = 2usinθ/g

T = time of flight

u = initial velocity

θ = angle of projection

g = acceleration

T = 2 * 240.0 m/s * sin 32 degrees/9.8 m/s^2

T = 25.9 seconds

Learn more about time of flight:https://brainly.com/question/21537210

#SPJ1

The maximum speed of a block of ice sliding down an incline depends on several factors, including the slope of the incline and the coefficient of friction between the block and the surface. Assuming that the incline is frictionless, the block will accelerate as it slides down the slope and reach its maximum speed at the bottom.

This is because the gravitational force acting on the block is the only force acting on it, and it gains kinetic energy as it moves down the incline. However, if there is friction between the block and the surface, the maximum speed will occur before the bottom of the incline, depending on the coefficient of friction. In general, the lower the coefficient of friction, the closer the maximum speed will be to the bottom of the incline. Therefore, the answer to the question is B) the bottom, assuming a frictionless surface, but it is difficult to predict without knowing the coefficient of friction if the surface is not frictionless.

To Learn more about block of ice sliding down. Click this!

brainly.com/question/29097939

#SPJ11

Answer:

7468 with no spaces

Explanation:

hope this helped!

The height of the ceiling at the center of the whispering gallery is approximately 43.3 feet.

In an ellipse, the sum of the distances from any point on the ellipse to its two foci is constant. In this case, the two foci are located 25 feet from the center of the hall.

Given that the hall is 100 feet in length, the distance from one end to the center is 50 feet. We can consider this as the semi-major axis (a) of the ellipse.

The sum of the distances from any point on the ellipse to its two foci is equal to 2a. Thus, the sum of the distances from the ceiling at the center of the hall to the two foci is also 2a.

Since the foci are located 25 feet from the center, the sum of the distances is 2a = 50 feet.

To find the height of the ceiling at the center, we need to determine the semi-minor axis (b) of the ellipse. The semi-minor axis can be calculated using the formula:

b = √(a² - c²)

where c represents the distance from the center to each focus. In this case, c = 25 feet.

Substituting the values into the formula:

b = √(50² - 25²)

b = √(2500 - 625)

b = √(1875)

b = 43.3 feet

Therefore, the height of the ceiling at the center of the whispering gallery is approximately 43.3 feet.

To know more about the Height:

https://brainly.com/question/33901355

#SPJ12

Answer:

piglets

Explanation:

more than 3

Answer :pedestrian walker.

Explanation:

The reflection appears to flip when you are at a distance R=2f from the spoon because of the specific properties of concave mirrors.

Concave mirrors have a curved surface that bulges inward. They are capable of focusing light and producing real or virtual images depending on the position of the object relative to the mirror. When you look at your reflection in a concave mirror like a metal spoon, the curvature causes light rays to converge.The reflection appears upside down when you are farther away from the spoon because the light rays from different parts of your face converge to form an inverted image. As you move closer to the spoon, the distance between your eye and the mirror becomes closer to the focal length (f) of the mirror. At the focal point, the reflected rays become parallel, and when your eye is positioned at a distance of R=2f from the spoon (twice the focal length), the rays appear to diverge, resulting in an upright reflection. This phenomenon is known as the "virtual image reversal" and is a characteristic behavior of concave mirrors.

To learn more about focal length, click here https://brainly.com/question/16188698

#SPJ11

Answer:

4.55 seconds

Explanation:

Speed=distance / Time

So Time = Distance /speed

=1550/340

Answer:

wheels

Explanation:

Answer:

Wheels

Explanation:

I know it says check all that apply so you might think it's more than one, but trust me it's right. I took the test :)

Answer:

Brainliest please

Explanation:

I will start by saying that Metals by their very nature are conductors of electricity. Now metals exhibit “metallic bonding” which holds its structure together. Unlike other materials which exhibit covalent bonding, it's atoms are not bonded by “electron sharing”. Rather they are bonded by the availability of valence electrons. Now within a metals atomic structure, the metal atoms lose the electrons in thier outermost shell (valence electrons), thus becoming positively charged ions (cations )

Answer:

I would say Climate - A

Explanation:

Just looks like the logical thing.

Answer:

c. hope this helped

Explanation:

Answer:

asdadsadada

Explanation:

Answer:

Please refer the the definition of an electric current below

Explanation:

Electric current is the flow of electric charge in a circuit. It is defined as the rate at which electric charge flows through a given area of a conductor. The flow of electric charge is caused by the motion of electrons, which are negatively charged particles that exist in most materials.

Electric current is generated by applying a potential difference, or voltage, across a conductor. The voltage causes a difference in electric potential energy between the ends of the conductor, and this difference drives the flow of electrons through the conductor. The electrons move from the negative terminal of the voltage source towards the positive terminal, and as they move, they transfer energy to the conductor in the form of heat or light.

The amount of current that flows through the conductor is determined by the voltage applied and the resistance of the conductor. Resistance is a property of the conductor that resists the flow of current, and it is measured in ohms. According to Ohm's law, the current in a circuit is directly proportional to the voltage and inversely proportional to the resistance.

This relationship can be expressed as

\(\sf I=\dfrac{V}{R}\)

where
\(\sf I\) is the current in amperes

\(\sf V\) is the voltage in volts

\(\sf R\) is the resistance in ohms

Sonar (SOund Navigation And Ranging) uses sound waves to estimate water depth. It operates by producing a sound wave and monitoring how long it takes for the wave to bounce back after striking the ocean floor. The depth of the water may be determined based on this time measurement.

Sonar is a technology for navigating, measuring distances, communicating with, or detecting things on or beneath the water's surface, such as other vessels. Sonar (from "sound navigation range") is an acoustic technology for detecting and estimating the distance and direction of underwater objects. Sonar equipment detects and analyzes sound waves generated or reflected by the item for the information they convey. sonar.

Here,

Sonar (SOund Navigation And Ranging) does utilize sound waves to estimate water depth. It operates by sending out a sound wave and monitoring how long it takes for the wave to bounce back after reaching the ocean floor. The depth of the water may be determined using this time measurement.

To know more about SONAR,

https://brainly.com/question/20510435

#SPJ4

Answer:

A Gap is the space between

Answer: distance, a gap

Explanation:

Answer:

Explanation:

Kindly see attached file for your reference

Step one:

given data

the horizontal component of the force= 12N

the vertical component of the force= 5N

The dashed arrow represents the hypotenuse of the triangle, hence the resultant of the force system.

By implication of this, we will use the Pythagoras theorem to solve for the resultant force

Step two:

\(F_R=\sqrt{F_H^2+F_V^2}\\\\F_R= \sqrt{12^2+5^2}\\\\F_R=\sqrt{144+25}\\\\F_R=\sqrt{169}\\\\F_R=13N\)

Answer:

These has anwers and also the solution. You can recheck if you want.

Answer:

W = M g = 150 kg * 9.81 m/s^2 = 1470 N

You were only given 3 significant figures in the question.

The weight of the box is 1471.5 N.

In science and engineering, an object's weight is defined as the force of gravity acting on the thing. Weight is sometimes described as a vector quantity in common textbooks, denoting the gravitational force acting on the item.

Given parameters:

Mass of the box, m = 150 kg.

Acceleration due to gravity, g = 9.8 m/s².

Hence, weight of the box is, W = mg = 150 kg × 9.81 m/s² =1471.5 N.

SO, weight of the  box with a mass of 150 kg on Earth is 1471.5 N.

Learn more about weight here:

https://brainly.com/question/10069252

#SPJ2

A) The modulation index is undefined. B) The lower-side band (LSB) frequency is 99,500Hz. C) Percentage modulation = 20%

a) The modulation index (m) may be calculated through the usage of the formulation:

m = (Vmax - Vmin) / (Vmax + Vmin)

where Vmax and Vmin are the most and minimum amplitudes of the modulating signal, respectively.

In this case, the modulating sign is vi(t) = 90cos(2π500t) V. The most amplitude (Vmax) is 90 V, and the minimum amplitude (Vmin) is -90 V (for the reason that the cosine feature varies between -1 and 1).

Therefore, the modulation index is:

m = (Vmax - Vmin) / (Vmax + Vmin) = (90 - (-90)) / (90 + (-90)) = 180 / 0 = undefined

b) The carrier frequency is fc =100,000 Hz.

The higher-aspect band (USB) frequency is given via:

fUSB = fc + fm =100,000 Hz + 500 Hz = 100,500 Hz

The decrease-aspect band (LSB) frequency is given by way of:

fLSB = fc - fm = 100,000 Hz - 500 Hz = 99,500 Hz

c) If vi(t) = 120cos(2π500t) V, we will calculate the share modulation using the components:

Percentage modulation = (Vm - Vc) / Vc * 100%

in which Vm is the peak amplitude of the modulating sign and Vc is the peak amplitude of the service signal.

In this situation, Vm = 120 V and Vc = 100 V.

Percentage modulation = (Vm - Vc) / Vc * 100% = (120 - 100 ) / 100  * 100% = 20%

Increasing the modulation amplitude increases the percentage modulation. This outcome is in a larger version within the amplitude of the AM signal, which could result in extended sidebands and a more said modulation impact. The audio content of the modulating signal turns more distinguished, ensuing in a more potent modulation effect inside the AM signal.

To know more about the modulation index,

https://brainly.com/question/33279380

#SPJ4

True, due to the protective nature of the ozone layer and the absorption of UV radiation, conducting ultraviolet astronomy from space is necessary to gather accurate and detailed data about celestial objects and phenomena emitting UV light.

The ozone layer plays a crucial role in protecting the Earth's surface from harmful ultraviolet (UV) radiation. It absorbs a significant portion of the Sun's UV rays, preventing them from reaching the surface and potentially causing damage to living organisms.

As a result, to observe and study ultraviolet astronomy, which involves the detection and analysis of celestial objects and phenomena emitting UV radiation, observations must be conducted from space. By observing from space, astronomers can bypass the Earth's atmosphere, including the ozone layer, and directly capture the UV light from celestial sources.

UV astronomy satellites and telescopes, such as the Hubble Space Telescope and the International Ultraviolet Explorer (IUE), have been specifically designed and deployed to conduct observations in the ultraviolet spectrum. These instruments are situated above the Earth's atmosphere, enabling them to capture and analyze UV radiation without interference from atmospheric absorption.

To know more about (UV) radiation, visit:

https://brainly.com/question/8587242

#SPJ11

Explanation:

If Earth did not rotate or revolve, there would be no day or night, and no seasons. The lack of tilt would result in a constant and uniform distribution of sunlight, leading to a lack of temperature variation and climatic zones.

It's possible that life could still exist in such conditions, but it would likely be limited to areas with constant access to sunlight and warm temperatures. The absence of climatic zones would also lead to a lack of diversity in species, as many would not be able to adapt to the uniform conditions.

It's not possible to say where one would want to live in such conditions, as the lack of variation would make the entire planet similar in terms of climate and habitat.

About 4.5 mol of water will be created when the platinum-based engine is run continuously at 300 K for an hour with 0.5 atm of H2 and 0.5 atm of O2 injected for each reaction.

For fuel cell engines' electrodes, platinum is a requirement. It acts as an electrocatalyst to speed up the electrochemical reactions needed to induce H2 to release electrons and form H2 ions when it is placed on porous electrodes.

Platinum is particularly well suited as a fuel cell catalyst because it makes it possible for the hydrogen and oxygen reactions to occur at an ideal rate and because it is stable enough to withstand both the intense electrical current density and the complex chemical environment found inside a fuel cell. This allows platinum to function effectively over an extended period of time.

To learn more about platinum please visit -
https://brainly.com/question/15614668
#SPJ4

Answer:

A book on its side exerts a greater force.

Explanation:

Pressure = Force / Area

Assuming that 1kg = 10N

2kg = 20N

Area of book lying flat = 0.3m × 0.2m

                                     = 0.6m²

Pressure of book lying flat = 20N / 0.6m²

                                            = 30Pa (1 s.f.)

Area of book on its side = 0.2m × 0.05m

                                        = 0.01m²

Pressure of book on its side = 20N / 0.01m²

                                               = 2000Pa (1 s.f.)

Since 2000Pa (1 s.f.) > 30Pa (1 s.f.), a book on its side applies greater pressure than lying flat.

Answer:

If you double the force, you double the acceleration, but if you double the mass, you cut the acceleration in half.

Explanation:

you can double the net force

1. Heat = 3 kg x 900 J/kg°C x (95°C - 40°C) = 27000 J.

2. Change in Temperature = 780 J / (4.1 kg x 385 J/kg°C) = 2.02°C.

3. Specific Heat Capacity = 15686 J / (1.1 kg x (47°C - 16°C)) = 1479.2 J/kg°C.

4. Heat = 0.778 kg x 4186 J/kg°C x (94°C - 26°C) = 200508 J.

5. Sample 3 has the highest specific heat capacity because it has the    greatest temperature change for the same amount of heat applied.

Energy is the ability to do work, or the capacity to produce an effect. It can be classified into two main forms — kinetic energy, which is the energy of motion, and potential energy, which is stored energy due to an object's position or state.

1: The amount of heat needed to raise the temperature of a 3 kg sample of aluminium from 40°C to 95°C is 27000 J.

This can be calculated by using the formula: Heat = Mass x Specific Heat Capacity x Change in Temperature.

Therefore, Heat = 3 kg x 900 J/kg°C x (95°C - 40°C) = 27000 J.

2: The temperature change of a 4.1 kg sample of copper when 780 J of energy is applied is 2.02°C.

This can be calculated by using the formula: Change in Temperature = Heat / (Mass x Specific Heat Capacity).

Therefore, Change in Temperature = 780 J / (4.1 kg x 385 J/kg°C) = 2.02°C.

3: The specific heat capacity of iron is 1479.2 J/kg°C.

This can be calculated by using the formula: Specific Heat Capacity = Heat / (Mass x Change in Temperature).

Therefore, Specific Heat Capacity = 15686 J / (1.1 kg x (47°C - 16°C)) = 1479.2 J/kg°C.

4: The amount of heat removed to lower the temperature of a 0.778 kg sample of water from 94°C to 26°C is 200508 J.

This can be calculated by using the formula: Heat = Mass x Specific Heat Capacity x Change in Temperature.

Therefore, Heat = 0.778 kg x 4186 J/kg°C x (94°C - 26°C) = 200508 J.

5: Sample 3 has the highest specific heat capacity because it has the greatest temperature change for the same amount of heat applied. This means that Sample 3 requires more energy to increase its temperature than Samples 1 and 2, thus indicating that it has the highest specific heat capacity.

To learn more about energy

Here: https://brainly.com/question/2003548

#SPJ1

The Coefficient of Friction is 0.861

Let's begin by determining the initial kinetic energy of the Pellet:

K = (1/2)mv^2

K = (1/2)(0.0012 kg)(65 m/s)^2

K = 25.3875 J

Next, we need to determine the final kinetic energy of the pellet:

Kf = (1/2)mvf^2

Since the pellet is lodged in the cheese, it has no final velocity. Therefore, the final kinetic energy is 0.

Now, we can determine the work done by the frictional force:

Wfriction = K - Kf

Wfriction = 25.3875 J - 0

Wfriction = 25.3875 J

Since the cheese slides 25 cm, we know that the work done by the frictional force is equal to the force of friction multiplied by the distance the cheese slides:

Wfriction = Ff * d

25.3875 J = Ff * 0.25 m

Ff = 101.55 N

Finally, we can determine the coefficient of friction:

Ff = μ * N

101.55 N = μ * (0.120 kg * 9.81 m/s^2)

μ = 0.861

To Learn More About  Friction

https://brainly.com/question/105057

#SPJ11

The width of the slit is 0.212 mm.

The wavelength of light is defined as “The distance between the two successive crests or troughs of the light wave”.

We know that the distance between minima is given by :

                                       \(t = (m_{f} - m_{i} ) \alpha x/d\)

where, t = distance between minima

            \(\alpha =\) wavelength

            x = distance of screen

            d = width of slit

            \((m_{f} - m_{i} ) =\) difference between minima

Given, x = 40 cm = 0.4 m

           \(\alpha = 690 nm = 690 * 10^{-9} m\)

           t = 2.60 mm = \(2.60 * 10^{-3} m\)

           \((m_{f} - m_{i} ) =\) 3 -1 = 2

Putting these values in above equation we get d = 0.212 mm

So the width of the slit is 0.212 mm.

To know more about Light visit:

https://brainly.com/question/13156031

#SPJ4

In free-fall motion the velocity is given by the following equation of motion:

Where:

Therefore, the velocity increases linearly with time. This happens if the object encounters no air resistance. In the case that there is air resistance the object will reach a terminal velocity.

In the case of distance, this is given by the following equation:

This means that the distance increases with time following a parabolic function.

Answer:

That the universe is "expanding"

Consider dots painted on the surface of a balloon - if the dots are moving away from one another, the balloon must be expanding.