AIPMT | 2015Work, Power and EnergyEasy

Question

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

Options

A.450 J
B.275 J
C.250 J
D.475 J

Solution

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