3 years ago

What is the kinetic energy of a car of 1500 kg moving 25 m/s?

Physics

1 answer:

Ivan3 years ago

4 0

Is this a multi choice?

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To lift a load of 100 kg a distance of 1 m an effort of 25 kg must be applied over an inclined plane of length 4 m. What must be

andreyandreev [35.5K]

Work = force * distance.
We must produce twice as much energy as we are lifting the weight twice as high.
But we are not increasing the force so we must increase the length of the ramp ( distance ) instead.
The new length will be twice as great as the previous length.
So 8 metres is required.

25 kg * 8 m = work = 100 kg * 2 m

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2 years ago

Need help ASAP Thankss + BRAINLIST only for correct answer

spayn [35]

Answer:

False

true

Hope this helps!

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2 years ago

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