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I shoot a water balloon catapult at the end of the year rally with a velocity of
57m/s at 31 degrees. What velocity does it hit the ground with?

Respuesta :

arielkraitzick

Answer:

29.36 [tex]m/s[/tex] downwards

Explanation:

Use the equation [tex]v^{2} =u^{2} +2as[/tex]

Choose upwards as positive

v=?

u= 57sin31 (vertical component of initial velocity)

a= -9.8

s=0

[tex]v^{2} = (57sin31)^2 +2(-9.8)(0)[/tex]

v=29.36 [tex]m/s[/tex] downwards

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