Question

Deduce an expression for time of flight of a ground to ground projectile
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Answer 1

Answer:

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Obtain an expression for Time of flight of a projectile.

ANSWER

Consider a projectile fired with velocity V at an angle θ with horizontal.

From equations of motion we write y=ut+

2

1

at

2

Here, final displacement in y direction =0

⇒O=Vsinθ.t−

2

1

gt

2

⇒2Vsinθ=gt or

t=

g

2V

sinθ

→ Time of flight.

solution

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