JEE Main Physics question
A body is initially at rest. It undergoes one-dimensional motion with constant acceleration. The power delivered to it at time t is proportional to
Answer: (B)
Solution
P = Fv = ma(at) = ma²t, so P ∝ t.
A body is initially at rest. It undergoes one-dimensional motion with constant acceleration. The power delivered to it at time t is proportional to
P = Fv = ma(at) = ma²t, so P ∝ t.