Work, Energy and Power: JEE Main 2017 Physics question

JEE Main 2017 · Session, Shift 1 · Q8576

JEE Main 2017Session, Shift 1PhysicsMediumWork, Energy and Power70× since 2002

A body of mass m = 10^–2 kg is moving in a medium and experiences a frictional force F = –kv². Its initial speed is v₀ = 10 ms^–1. If, after 10 s, its energy is

{1 \over 8}mv_0^2

, the value of k will be:

Work, Energy and Power: JEE Main 2017 Physics question

JEE Main 2017 · Session, Shift 1 · Q8576

JEE Main 2017Session, Shift 1PhysicsMediumWork, Energy and Power70× since 2002

A body of mass m = 10^–2 kg is moving in a medium and experiences a frictional force F = –kv². Its initial speed is v₀ = 10 ms^–1. If, after 10 s, its energy is

{1 \over 8}mv_0^2

, the value of k will be:

Work, Energy and Power: JEE Main 2017 Physics question

More on Work, Energy and Power

Work, Energy and Power: JEE Main 2017 Physics question

More on Work, Energy and Power