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Physics Question on The Potential Energy Of A Spring

A ball with 103J10^3J of kinetic.energy coflides with a.hodzontally mounted spring. If the maximum compression of the. spring is 50 cm, then the spring constatrt of the spring is

A

2x103Nm−12 x 10^3 Nm^{-1 }

B

6x103Nm−16 x 10^3 Nm^{-1 }

C

8x103Nm−18 x 10^3 Nm^{-1 }

D

5x103Nm−15 x 10^3 Nm^{-1 }

E

3x103Nm−13 x 10^3 Nm^{-1 }

Answer

8x103Nm−18 x 10^3 Nm^{-1 }

Explanation

Solution

The correct option is (C) : 8x103Nm−18 x 10^3 Nm^{-1 }