9. A body moving with a velocity of 15 ms Fig. 2).33
initially along OX has its velocity changed to 15 mai
along OF, inclined at angle of 60° with OX
Determine the change in velocity of body.
Y
15ms1
60
ol
15ms!
X
Fig. 2(6):33
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Answer:
Taking OX as a reference with direction towards right, and also taking OY as a reference with direction upward in plane of paper:
We know formula of change in velocity:
On simplify:
Above is given value of change in velocity.
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