A 0.2kg ball is hit by a bat changing its speed from 20 m/s to 30 m/s .If the ball is in contact with the bat at 0.5 s.
find
a.change in momentum
b.net force causing the change in momentum.
20 m/s to 30 m/s in 1 sec if 5 sec then 30 + 15 in 2 sec 22.5 + 45 in 3 sec 37.25 + 45 + 22.5 in 4 sec 59.75 + 45 = 104.75 104.75 + 42.375 in 5 sec 147.125 :)
