A block of mass 10 kg, moving in x direction with a constant speed of 10 \ms^{–1}, is subjected to a retarding force F= 0.1 \timesJ/m during its travel from x = 20 m to 30 m. Its final KE will be : [NEET 2015 C]

NEET 2015 Physics and Chemistry Cancelled Paper

Question : 75 of 90

Marks: +1, -0

A block of mass 10 kg, moving in x direction with a constant speed of 10‌ms–1, is subjected to a retarding force F=0.1×J/m during its travel from x = 20 m to 30 m. Its final KE will be :

[NEET 2015 C]

450 J
275 J
250 J
475 J

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