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Davina accelerates a box across a smooth frictionless horizontal surface over a displacement of 18. 0 m with a constant 25. 0 n force angled at 23. 0° below the horizontal. How much work does she do on
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Davina accelerates a box across a smooth frictionless horizontal surface over a displacement of 18. 0 m with a constant 25. 0 n force angled at 23. 0° below the horizontal. How much work does she do on the box?.

User Firdavs Kurbonov
by
7.8k points

1 Answer

6 votes

work and force

w = f cos 23 . d

w = 25 cos 23° . 18

w = 414.23 J

User Lyudmila
by
7.8k points
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