Question

A police car leaves in pursuit of a holdup car 0.50 h after the latter has left the scene of the crime 75 mi/h. How fast must the police car go if it is to catch up with the holdup car in 1 h?

Answer 1

\[v_pt=v_c(t+t') \rightarrow v_p=112,5 mi/h\]
where v_p - speed of police car
v_c - speed of holdup car
t- 1h
t' 0,5h
/h\]