4) The tires of a certain car begin to lose their grip on the pavement at an acceleration of 5 m/s2.
If the car has this acceleration, how many seconds does it require to reach a speed of 25 m/s
starting from 10 m/s?

The record distance in the sport of throwing cowpats is 81.1 m. this record toss was set by steve urner of the united states in 1981. assuming the initial launch angle was 45° and neglecting air resistance, answer the following. (a) determine the initial speed of the projectile. m/s