Given: A ball of mass I kg is relkased from rest at A. and rolls down a quarter cirole. until point B. The ball leaves pont B with a horizartal velocity VB and undergoes projectile moticon; At peint c the harizontal and the point of impoct lasts t = 0.005 secand Fgnoring air resistance and assuming the work dane by friction from A to B is -20 J. Find:o) wock dane by gravity an ball b) Net work done by all farces on the boll from A-B A 5m
Given: A ball of mass I kg is relkased from rest at A. and rolls down a quarter cirole. until point B. The ball leaves pont B with a horizartal velocity VB and undergoes projectile moticon; At peint c the harizontal and the point of impoct lasts t = 0.005 secand Fgnoring air resistance and assuming the work dane by friction from A to B is -20 J. Find:o) wock dane by gravity an ball b) Net work done by all farces on the boll from A-B A 5m
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Find Part F and G
Transcribed Image Text:Given: A bail of mass I kg is released from rest at A. and rolls down a
quarter cirole .until point B. The ball leaves point B with a
horizantal velocity VB and undergoes projectile motion; At peirnt c
the player nits' the ball with å force of 1000 N, 45° above
the harizantal and the point of impoct lasts ť = 0,005 secnds.
Famoring air resistance and assuming the work done by triction
from A to B is -20 J.
Find:o) work dane by greavity on ball
b) Net work done by all farces on
the boll from A-B
C) VB
DI velocity at C
E) nitial /final linear mamentunm
F) Time it takes ball to reach ployer
G) time it takes boll to reach groand
after C.
A
5m
về
5m
Point of impact
セー0.005 sar)
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