what is the link margin value that must be achieved to force an enemy jammer at equal distance to a receiving link 16 terminal to use 128 times more power than the transmitting terminal

Answer:

To calculate the magnitude of a vector, just find the square root of the sum of components squared.

Explanation:

so square 2.6 and add it to the square of 6.8 and then the square of five and then find the square root of that answer

Answer:

1.27551m

Explanation:

This is a simple energy convertion problem. Since there is no friction, and assuming no air drag and other external factors, mechanical energy should be conserved in this system.

Thus, we get:

\(KE_{initial} + PE_{initial} = KE_{final} + PE_{final}\)

We also know that the gravitational potential energy is equal to mgh, while the KE can be calculated using \(\frac{1}{2}mv^2\)

One thing to note here, is that the final KE will be 0, as there is no velocity at the end. Furthermore, we also can set the initial PE as 0 as we are looking at relative height, and at the start it is at h=0.

\(KE_{initial} = PE_{final}\)

Plugging in:

\(\frac{1}{2}*30*5^2 = 30*9.8*h\)

Solving for h, we get 1.27551m

The time it takes to shut off the 151 A current through the 0.350 H inductor without exceeding an induced emf of 76.0 V is approximately 0.00684 seconds.

To find the time it takes to shut off the current through the inductor, we can use the formula for the induced electromotive force (emf) in an inductor, which is:
emf = -L * (ΔI/Δt)
Where:
- emf is the induced electromotive force (in volts, V)
- L is the inductance (in henries, H)
- ΔI is the change in current (in amperes, A)
- Δt is the time it takes to shut off the current (in seconds, s)
We are given the following values:
- emf = 76 V (it should be negative, but we are interested in the magnitude)
- L = 0.350 H
- ΔI = 151 A (since we want to shut off the current, the change will be -151 A)
We need to find Δt. To do this, we can rearrange the formula:
Δt = -L * (ΔI/emf)
Plugging in the values:
Δt = -(0.350 H) * (-151 A / 76 V)
Δt ≈ 0.00684 s
The time it takes to shut off the 151 A current through the 0.350 H inductor without exceeding an induced emf of 76.0 V is approximately 0.00684 seconds.

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Answer:

The angiosperms dominate Earth's surface and vegetation in more environments, particularly terrestrial habitats, than any other group of plants. As a result, angiosperms are the most important ultimate source of food for birds and mammals, including humans.

Explanation:

plz mark brainlest

A bowl of water containing 1.44 kilogram of hydrogen will have 12.9 kilograms of water.

As per the known fact, 18 grams of water has 11.2% hydrogen. Amount of hydrogen in 18 grams of water = 18×11.2%

Amount of hydrogen in 18 grams of water = 2.016 grams

Amount of hydrogen in question = 1.44 × 1000

Amount of hydrogen in question = 1440 grams

2.016 grams of hydrogen is present in amount in of water = 18 grams

1440 grams of hydrogen will be in amount of water = (18/2.016) × 1440

Amount of water = 8.93 × 1440

Amount of water = 12,859.2 grams or 12.9 kg

Thus, amount of water is 12.9 kilograms.

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A pendulum bob with a mass of 0.15 kg and a speed of 3 m/s has a kinetic energy at the low point of its swing of 0.675 J.

Kinetic energy is the energy that an item has as a function of motion. A force must be applied to an object in to accelerate it. We must engage considerable efforts in order to apply a force. After the task is finished, energy is transferred to the item, which then moves at a new, constant speed.

For calculation:

kinetic energy at low point,

kinetic energy = mass in kg / velocity in m/s

now,

putting the value in given formula,

kinetic energy = 0.15 / 33

                         =0.675J

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The total resistance of two identical resistors wired in parallel will be less than the individual resistance of one of them.

When two identical resistors are wired in parallel, the equivalent resistance of the circuit will be less than the resistance of each individual resistor. This is because when resistors are wired in parallel, the total current in the circuit is divided among the resistors, and each resistor carries a fraction of the total current.

This reduces the overall resistance of the circuit, as the current can flow through two paths instead of one. The equation for calculating the equivalent resistance of two resistors wired in parallel is R_eq = R/2, where R is the resistance of each individual resistor.

Therefore, the total resistance of two identical resistors wired in parallel will be half of the resistance of one individual resistor.

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Answer:

60words/minute

Explanation:

If Sunitha can type 1800 words in half an hour, this can be expressed as;

1800 words = 30 minutes

To get her typing speed per minute, we will use the formula

Speed = Number of words/Time used

Typing speed = 1800/30

Typing speed = 60words/minute

Hence her typing speed in words per minute is 60words/minute

The resistance offered by a piece of conductor depends on several factors. These include the material of the conductor, the length of the conductor, the cross-sectional area of the conductor, and the temperature of the conductor.

The material of the conductor is important because different materials have different resistivities, which is a measure of how easily a material conducts electricity. For example, copper has a lower resistivity than steel, so a copper wire will have less resistance than a steel wire of the same length and cross-sectional area.

The length of the conductor is also a factor because the longer the wire, the more resistance it will have. This is because there is more wire for the current to flow through, and this increases the resistance.

The cross-sectional area of the conductor is important because the larger the area, the more current can flow through the wire. This is because there is more space for the electrons to move through, which reduces the resistance.

Finally, the temperature of the conductor can also affect its resistance. As the temperature increases, the resistance of the wire also increases. This is because at higher temperatures, the atoms in the wire vibrate more, which makes it more difficult for electrons to flow through the wire.

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The microwave was accidentally invented when testing radar systems.

A microwave is an electromagnetic wave that falls within the frequency range of 300 MHz to 300 GHz. The microwave spectrum is part of the electromagnetic spectrum, which also includes radio waves, X-rays, and visible light. Microwave ovens use these electromagnetic waves to cook food in a fast and efficient manner.

Microwave ovens were created as a result of a fluke. A scientist named Percy Spencer was working on an active radar system in the 1940s. He discovered that the candy bar in his pocket had melted when he was testing a radar system. He used popcorn to test his hypothesis because it's easy to see when it's cooked. Popcorn was the first food to be cooked using a microwave oven, and Spencer created the first microwave oven in 1945.

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Answer:

Well okay do it what's your question ?

Answer:

yes

Explanation:

N=m.g

N=72 x 9.8 = 705.6 ≈ 706 N

Answer:

B

Explanation:

in comparison, the sun is a soccer ball, and the earth is a head of a needle, and the moon is a speck of salt

Answer:

3.6 Km..........................................

Answer:

The answer is decay; timbre.

Explanation:

How long the fundamental frequency and harmonic remain at their peak loudness until they start to disappear is known as decay and is a feature of timbre.

Answer:

a) 12

Explanation:

The given variables are:

            A  = 2.70  

           B = 9.3

For addition, the rule states that you cannot be more precise than the least precise measurement given.

      The least precise measurement is B  = 9.3 and it has 2 significant numbers.

 A + B  = 2.70 + 9.3  = 12

Answer:

Ice cube, molecules, melting, zero degrees, liquid, faster, temperature, 100 degrees, steam

Answer:

lol you got the answer just need points sorry

Explanation:

Answer:

See below

Explanation:

Find mass of skydiver

F = mg

969 = m ( 9.81)   so m = 98.8 kg

NET deccel force = 1323-969 = 354 N

F=ma

354 = 98.8 (a)  = 3.58 m/s^2   decceleration

The feeling can either be positive or negative.

A positive feeling can occur when one performs very well in the given home. Also, a positive feeling can come from a high level of satisfaction in the homework. When you complete your homework on time using the recommended steps, you will be sure to do well on the homework.

In other hand, a negative feeling may result from poor performance in the homework. In ability to complete the homework or missing some steps in the homework can increase your level of trepidation even before seeing your score.

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The weight of the object of mass 45 kg ranks as follows, from heaviest to lightest: Jupiter's surface, Earth's surface, Saturn's surface, Mars' surface, Moon's surface

What is weight?

Weight is the force exerted on an object due to gravity. It is a measure of the gravitational force pulling the object towards the center of the Earth or any other celestial body. Weight is a vector quantity, meaning it has both magnitude and direction. The weight of an object can be calculated using the equation:

Weight = mass × acceleration due to gravity

Weight is the force exerted on an object due to gravity. It is calculated as the product of mass and the acceleration due to gravity. In this case, we are given the relative gravity values compared to Earth at different celestial locations.

Jupiter's surface: Jupiter is the largest planet in our solar system and has a very strong gravitational field. The acceleration due to gravity on Jupiter's surface is about 24.79 m/s². Using the formula weight = mass × acceleration due to gravity, the weight of the object on Jupiter would be W = 45 kg × 24.79 m/s² = 1115.55 N, making it the heaviest.

Earth's surface: On Earth, the acceleration due to gravity is approximately 9.8 m/s². Using the same formula, the weight of the object on Earth is W = 45 kg × 9.8 m/s² = 441 N.

Saturn's surface: Saturn is a gas giant with a strong gravitational field, but its surface is not well-defined. Therefore, it is not possible to determine the weight of the object at Saturn's surface.

Mars' surface: Mars is a smaller planet than Earth, and its gravitational acceleration is about 3.71 m/s². Using the formula, the weight of the object on Mars is W = 45 kg × 3.71 m/s² = 166.95 N.

Moon's surface: The Moon has a much weaker gravitational field than Earth, with an acceleration due to gravity of about 1.62 m/s². Using the formula, the weight of the object on the Moon is W = 45 kg × 1.62 m/s² = 72.9 N, making it the lightest among the listed locations.

Therefore, the ranking from heaviest to lightest would be: Jupiter's surface > Earth's surface > Saturn's surface (unknown weight) > Mars' surface > Moon's surface.

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Complete question:

Consider an object of mass 45 kg. Rank the weight of this object at the following locations

Jupiter

Saturn

Mars

earth

moon

The sensation of colour is seen when light falls on the eye's cones.

The retina, a component of the eye, is what detects light entering our eyes. The pupil is the black hole in the centre of the eye that lets the light into the eye.

Light-sensitive cells can be found in the retina of the eye. It contains two kinds of cells known as rods and cones. Cones are the cells of retina that produce colour sensation. These photoreceptor cells are responsible for colour vision.

Rod cells are photoreceptor cells in the retina that function in dim light better than the other type of visual photoreceptor, cone cells.

Rods are employed in peripheral vision and are often clustered at the borders of the retina.

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Answer: 3750 ML

Explanation:

Answer:

The observable universe is still huge, but it has limits. because it's most likely like an plane all round.

Explanation:

Answer:

Yes

Explanation:

the universe is constanlty expanding at a rate of 74.3 plus or minus 2.1 kilometers (46.2 plus or minus 1.3 miles) per second per megaparsec (a megaparsec being about 3 million light-years).

A. The total force acting on the plane during take-off is 563,140 N. This is calculated by multiplying the thrust of each engine (281,570 N) by the number of engines (2).

An engine is an mechanical device that converts energy into useful work, typically in the form of rotational force. Engines are used in a variety of applications, from cars and airplanes to power plants and generators.

b. The acceleration the plane experiences during take-off can be calculated using Newton's Second Law of Motion, which states that Force = Mass x Acceleration. Therefore, the acceleration is 563,140 N / 369,000 kg = 1.53 m/s2.
c. To calculate the time it takes the plane to reach take-off speeds, we can use the kinematic equation for average acceleration, which states that the time taken is equal to the change in velocity (76 m/s) divided by the acceleration (1.53 m/s2). Therefore, the time taken is 49.8 seconds.
d. Using the kinematic equation for displacement, we can calculate the displacement the plane covers during take-off. This equation states that displacement is equal to the initial velocity (0 m/s) multiplied by the time taken (49.8 seconds) plus one-half of the acceleration (1.53 m/s2) multiplied by the time taken squared (49.8 seconds x 49.8 seconds). Therefore, the displacement is 3,814.7 m.

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The recoil velocity of the rifle is -0.75 m/s.

The recoil velocity of the rifle is calculated by applying principle of linear momentum as follows;

m₁u₁ + m₂u₂ = v₁m₁ + v₂m₂

where;

( 4 kg x 0 ) + ( 0.01 kg x 0 ) = 4v₁  +  ( 0.01 kg x 300 m/s )

0 = 4v₁ + 3

v₁ = - 3 /4

v₁ = -0.75 m/s

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Answer:

Explanation:

This is a classic acceleration problem in one dimension. Use the equation

\(a=\frac{v_f-v_0}{t}\) where a is the acceleration of he car, vf is the final velocity (and our unknown), v0 is the initial velocity, and t is time in seconds. Filling in:

\(2=\frac{v_f-22}{7}\) and

14 = vf - 22 and

36 = vf (not quite right with the sig dig's but I'm guessing you're not really into the specifics much, judging by the acceleration and the time values)

Answer:

I think It is D

Explanation:

Answer:

moving electric charges