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10. Conservation of Energy - 2! 2부

10. Conservation of Energy / Solving Projectile Motion Using Energy / 문제 2

문제 2

A 5 kg object slides down a frictionless hill from a height of 10 m. What is its speed at the bottom?

A

14 m/s

B

5 m/s

C

20 m/s

D

10 m/s