Q1. A speeder passes a parked police car at 30.0 m/s. The police car starts from rest with a uniform acceleration of 2.31 m/s2.
(a) How much time passes before the speeder is overtaken by police car?
(b) How far does the speeder get before being overtaken by police car?
Q2. A 100 kg crate is being pushed across the horizontal floor by a force that makes an angle of 30.0° below the horizontal. The coefficient of kinetic friction is 0.230. What must be the magnitude of, so that the net work completed by it and the kinetic frictional force is zero?