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3 years ago

Describe the energy transformations that occur from the time a skydiver jumps out of a plane until landing on the ground.

2 answers:

6 0

When the Skydiver jump out a plane, his Potential Energy is being converted or transform into Kinetic energy due to gravity. Hope this helps

omeli [17]3 years ago

4 0

Answer:

Before jumping from the plane, the skydiver has potential energy. When the skydiver jumps, the potential energy is transformed into kinetic energy, which increases until the skydiver reaches terminal velocity. Potential energy is then transformed into thermal energy.

Explanation:

Thats the answer

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A boy 1m tall looks at the swimming pool, which appears to be 75 cm deep, according to the people around him. He finds himself a

Leto [7]

When you look vertically downwards into a swimming pool full of water the bottom of the pool seems closer to you than it really is. The apparent depth at this point can be worked out using the formula:

Apparent depth = Real depth/Refractive index of water

However as you look towards the end of the pool the bottom seems to curve upwards – we are thinking about a pool of constant depth to start with.

If the depth of the pool really does change then the situation becomes more complex and you would need to allow for that when drawing the diagram

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3 years ago

g A small car travels up the hill with a speed of v = 0.2 s (m/s) where s is the distance measured from point A in meters. Deter

jasenka [17]

Answer:

The magnitude of the acceleration of the car when $s = 50\,m$ is $2\,\frac{m}{s^{2}}$ .

Explanation:

The acceleration can be obtained by using the following differential equation:

$a = v \cdot \frac{dv}{ds}$

Where $a$ , $v$ and $s$ are the acceleration, speed and distance masured in meters per square second, meters per second and meters, respectively.

Given that $v = 0.2\cdot s$ , its first derivative is:

$\frac{dv}{ds} = 0.2$

The following expression is obtained by replacing each term:

$a = 0.2\cdot 0.2\cdot s$

$a = 0.04\cdot s$

The magnitude of the acceleration of the car when $s = 50\,m$ is:

$a = 0.04\cdot (50\,m)$

$a = 2\,\frac{m}{s^{2}}$

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3 years ago

A brass plug is to be placed in a ring made of iron. At 15∘C, th

Dahasolnce [82]

Answer:

Whats the rest of the equation?

Explanation:

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3 years ago

A solar-powered car is traveling at constant speed around a circular track. what happens to the centripetal acceleration of the

anyanavicka [17]

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3 years ago

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posledela

Answer:

The answer is A

Explanation:

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