a chart shows the percentage of the height different balls bounce back to after being dropped from a fixed height
table tennis ball - 15 percent
golf ball - 36 percent
soccer ball - 40 percent
basketball - 56 percent
paul measured the time interval between each bounce for the bounce , after dropping them from fixed height .
which ball is likely to show the maximum time gap between the first two bounces
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Answer:
Total energy of the ball = m g h
=mg10
=100m kgm
2
s
−2
Energy with which it moves up the ground after striking= 60% of the total energy
E=
100
60
×100m kgm
2
s
−2
Height to which the ball will bounce back
h=
m×g
E
=6 meter
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