A projectile was launched horizontally with a velocity of 468m/s, 1.86m above the ground how long did it take the projectile to hit the ground

Question

Zachary

Physics

13 October, 17:08

A projectile was launched horizontally with a velocity of 468m/s, 1.86m above the ground how long did it take the projectile to hit the ground

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Answers (1)

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Matthew Butler · Answer 1

0.616 s to 3 significant figures

Explanation:

Using the equation s=ut+0.5at^2 in the vertical direction:

1.86=0*t+0.5gt^2

1.86=4.905t^2

t^2=1.86:4.905

t=0.6157961457

=0.616 s (3sf)