Question

72. A body is projected with velocity 24 ms-
making an angle 30° with the horizontal. The
vertical component of its velocity after 2s is
(g=10ms-'
1) 8 msl upward 2) 8 ms 1 down ward
3) 32 ms-1 upward 4) 32 ms-1 down ward​

Answer 1

ANSWER

4=24 m/s,θ=30

o

initial vertical component uy=4sin30

o

=

2

4

uy=12 m/s

after 2 s V=uy−gt=12−10×2=−8 m/s

−ve shows downward motion.

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Answer 2

Answer:

.

Explanation: