A race car moves with a constant velocity of 180km/h.A patrol car parked behind a billboard at the instant the race car passes the billboard,the patrol car begins to chase with an average acceleration of 7mls find,
a. How long it took the patrol car to catch up to the race car
b.the distance coveredto catch up to the race car
180 km/hr * 1000m/km * 1hr/3600s = 50 m/s
(a) 50t = 1/2 * 7t^2
(b) use the values in (a)