A sprinter is running a 100 m sprint race. The race begins, and the stopwatch is started. The sprinter
passes the 12 m [N] mark at 1.92 s and passes the
59 m [N] mark at 7.98 s. What was the sprinter’s
average velocity between the two time marks?

Aballoon is rising vertically upwards at a velocity of 10m/s. when it is at a height of 45m from the ground, a parachute bails out from it. after 3s he opens his parachute and decelerates ata a constant rate 5m/s. when. (a) what was the height of the parachutist above the ground when he opened his parachute? (b)how far is the parachutist from the balloon at t=3s? (c)with what velocity does the parachutist hit the ground? (d)after how long does the parachutist hit the ground after his exist from the balloon?