Subject :NSO Class : Class 9
A rubber ball is dropped from a height of 5 m on a plane. On bouncing it rises to 1.8 m. The ball loses its velocity on bouncing by a factor of
A3/5
B2/5
C16/25
D9/25
solution pl
Ans 1:
Class : Class 9
Ans 2:
Class : Class 9
put the formula velocity=rt 2ghthe velocity after falling is 10m/svelocity to go up is 6m/s loss in velocity is ( 6 - 10 ) / 10 = 2 / 5
Ans 3:
Class : Class 9
somebody answer this question with an explanation