Q.

A body is projected, making an acute angle with the horizontal. If angle between velocity v and acceleration  gisθ  then θ is given by 

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a

θ=00

b

900<θ<00

c

00<θ<1800

d

θ=900

answer is D.

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Detailed Solution

Here velocity is acting upwards when projectile is going upwards and acceleration is downwards. The angle θ  between vanda is more than 0° and less than  180°

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