A fish with weight 35 kg dives and hits the ground (zero height) with kinetic energy equal to 3500J. Find the height through which fish dived. Take g = 10 m/s²

100 m

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20 m

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1 km

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10 m

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Solution

The correct option is D
10 m

Kinetic energy of fish on hitting the ground would be equal to the potential energy at maximum height when it starts diving, so,

m x g x h = K.E

35 x 10 x h = 3500J

h = 10 m

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A fish with weight 35 kg dives and hits the ground (zero height) with kinetic energy equal to 3500J. Find the height through which fish dived. Take g = 10 m/s2

The correct option is D 10 m Kinetic energy of fish on hitting the ground would be equal to the potential energy at maximum height when it starts diving, so, m x g x h = K.E 35 x 10 x h = 3500J h = 10 m

A fish with weight 35 kg dives and hits the ground (zero height) with kinetic energy equal to 3500J. Find the height through which fish dived. Take g = 10 m/s²

The correct option is D
10 m

Kinetic energy of fish on hitting the ground would be equal to the potential energy at maximum height when it starts diving, so,

m x g x h = K.E

35 x 10 x h = 3500J

h = 10 m