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Morgarella [4.7K]
3 years ago
15

1000 kg has 50, 000 joules of kinetic energy. what is it's speed?

Physics
1 answer:
kicyunya [14]3 years ago
7 0
The answer is 36 kilometers per hour, or 10 meters per second.
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a = Δv/t = (vf - vi)/t = (0 - 5)/4 = -1.25 m/s²

Explanation:

You may or may not need the negative sign, depending on how the question designer was thinking about the problem.

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To determine the height of a flagpole, Abby throws a ball straight up and times it. She sees that the ball goes by the top of th
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If the stone will reach the top position of flag pole at t = 0.5 s and t = 4.1 s

so here the total time of the motion above the top point of pole is given as

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so this is the speed at the top of flag pole

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