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s344n2d4d5 [400]
2 years ago
8

Kevin, whose mass is 80 kg, is moving along at a velocity of 4 m/s. He doubles his velocity by going down a hill. How much kinet

ic energy does he have after going down the hill?
Physics
2 answers:
RideAnS [48]2 years ago
5 0
The kinetic energy of an object is given by:
Kinetic energy = 1/2 * mass * velocity²

Therefore, if the velocity of an object is doubled, its kinetic energy will increase 4 times. We may verify this mathematically as:

New velocity = 8 m/s

K.E = 1/2 * 80 * 8²
K.E = 2,560 J

The new kinetic energy will be 2,560 Joules
Hatshy [7]2 years ago
4 0

2560 on the e2020 assignment

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Suppose that you purchased a water bed with the dimensions 2.55 m à 2.53 dm à 245 cm. what mass of water does this bed contain
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dimensions of the bed is given as

length = 2.55 m

thickness = 2.53 dm = 0.253 m

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now the volume of the bed is given as

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