7.n A ball (100 gm) thrown from ground with speed20 m/s comes back to – InterviewSolution

1.	7.n A ball (100 gm) thrown from ground with speed20 m/s comes back to the ground with speed10 m/s. Find the work done by air resistance.(1) 15 J(2) 20 J(3) 30 J(4) 40 J
Answer» 7.n A ball (100 gm) thrown from ground with speed20 m/s comes back to the ground with speed10 m/s. Find the work done by air resistance.(1) 15 J(2) 20 J(3) 30 J(4) 40 J

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