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DENIUS [597]
3 years ago
8

Olivia is on a swing at the playground at which point is her kinetic energy increasing and her potential energy decreasing

Physics
2 answers:
Nimfa-mama [501]3 years ago
7 0
Whenever an object is falling, its potential energy
is decreasing and its kinetic energy is increasing.

Olivia's potential energy is decreasing and her kinetic energy
is increasing as she moves toward the right side of the picture,
all the way from W, through X, to the bottom of the arc.
eduard3 years ago
7 0

Answer: W

Explanation:

Kinetic energy is due to motion of a body.

K.E. = 0.5 m v²

Potential energy is due to position of the body. In this case it is determined by the height.

P.E. = m g h

At the highest point potential energy is maximum. As the Olivia swings down, potential energy converts to kinetic energy. Thus, at point W, potential energy is decreasing and kinetic energy is increasing. Kinetic energy would be maximum at lowest point.

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KiRa [710]

Answer:

\frac{V_{e}}{V_{h}}=0.428*10^{2}

Explanation:

From conservation of energy states that

K_{i}+v_{i}=v_{f}+K_{f}\\ as\\K_{i}=0\\K_{f}=1/2mv^{2}\\ v_{i}=qv\\v_{f}=0\\So\\qv=1/2mv^{2}\\ v=\sqrt{\frac{2qv}{m} }\\ Velocity_{electron}=\sqrt{\frac{2qv}{m_{e}} }\\Velocity_{hydrogen}=\sqrt{\frac{2qv}{m_{h}} }\\\frac{V_{e}}{V_{h}}=\sqrt{\frac{\frac{2qv}{m_{e}}}{\frac{2qv}{m_{h}}}}\\\frac{V_{e}}{V_{h}}=\sqrt{\frac{m_{h}}{m_{e}} }\\\frac{V_{e}}{V_{h}}=\sqrt{\frac{1.67*10^{-27} }{9.11*10^{-31} } }\\\frac{V_{e}}{V_{h}}=0.428*10^{2}

5 0
3 years ago
PLEASE ANSWER ASAP BEFORE MY TEACHER AND MY MOM KILLES ME PLEASE ASAP
grandymaker [24]

Answer:

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Explanation:

hope this helps

7 0
3 years ago
How much work done if an object is moving to the right and a force of 75. 0n is applied at 125 degrees to the motion while the o
bogdanovich [222]

Answer:

-322.64 J

Explanation:

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4 0
2 years ago
Give two example for push or pull to change the state of motion of time two examples​
dolphi86 [110]

Explanation:

An Example of push as a force would be to push on a swing. The force moves the swing in a particular direction and the harder that you push the further the swing will go.

An example of pull as a force would be opening a door. ...

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liubo4ka [24]

Answer:

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