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Q1 a forceof 50 n moves a 60 kg object along a rough floor

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Reference no: EM13634948

Q1. A forceof 5.0 N moves a 6.0 kg object along a rough floor at a constant speed of 2.5 m/s.

(a) How much work is done in 25 s?

(b) What power is being used?

(c) What force of friction is acting on the object?

Q2. A 3.0kg metal ball, at rest, is hit by a 1.0 kg metal ball moving at 4.0 m/s. The 3.0 kg ball moves forward at 2.0 m/s and the 1.0 kg ball bounces back at 2.0 m/s.

a. what is the total kE before collision

b. what is the total KE after collision

c. how much energy is transferred fromt the small ball to the large ball?

Reference no: EM13634948

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