Q.
A body of mass 'm' is projected obliquely with velocity 'u' at an angle 'θ' with horizontal. The angular momentum about the point of projection with time.
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a
remains constant in direction only
b
increases with time in magnitude
c
the ratio after 1st , 2nd , 3rd sec is 1:4:9......
d
all the above
answer is D.
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Detailed Solution
L→=r→×p→ =12mucosθgt2(−k⇀)
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