2. A mass of 8.50 kg is travelling 7.50 m/s [up]. It is acted on by a
force of 340 N [up] over a displacement of 15.0 m [up]. (a) What
work does the applied force do on the object? (b) What is its gain
in potential energy? (c) What is its change in kinetic energy? (d)
What is its speed at the end of the 15.0-m displacement?
Answers: 3
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2. A mass of 8.50 kg is travelling 7.50 m/s [up]. It is acted on by a
force of 340 N [up] over a di...
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