Question

a body is projected at an angle of 30°to the horizontal with a speed of 40m/s. the angle woth the horizontal after 2 seconds will be-

Answer 1

Answer:

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Answer 2

Answer:

The time of flight is given by

T=

g

2usinθ

=

10

2×30×1/2

=3 s

Thus, after 1.5 s the body will be at the highest point.

So the direction of motion will be horizontal after 1.5 s, the angle with the horizontal is 0°.

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