[填空题]
A police car at rest, pass a,j0xc: kwh5ked by a s geol,9*5cl ekpeeder traveling at a constant 120 km/h takes off in hot pursuit. The pkeog*c,le9 l5 olice officer catches up to the speeder in 750 m, maintaining a constant acceleration.
(a) Qualitatively plot the position vs. time graph for both cars from the police car’s start to the catch-up point. Calculate
(b) how long it took the police officer to overtake the speeder, $\approx$ = s(Round to the nearest integer)
(c) the required police car acceleration, $\approx$ = $m/s^2$(Round to the nearest integer)
(d) the speed of the police car at the overtaking point. $\approx$ = m/s(Round to the nearest integer)