JEE Physics Work Energy and Power MCQs Set C
Question: A vertical spring with force constant k is fixed on a table. A ball of mass m at a height h above the free upper end of the spring falls vertically on the spring so that the spring is compressed by a distance d. The net work done in the…
JEE Physics Work Energy and Power MCQs Set B
Question: A particle of mass m moving eastward with a speed v collides with another particle of the same mass moving northwards with same speed v. The two particles coalesce on collision. The new particle of mass 2m will move with velocity a) b…
JEE Physics Work Energy and Power MCQs Set A
Question: a) –8 J b) +8 J c) –4 J d) +4 J Answer: –8 J Question: a) 25 J b) –50 J c) – 15 J d) 15 J Answer: 25 J Question: If 250 J of work is done in sliding a 5 kg block up an inclined plane of height 4…