Physics: Suppose you throw a small rock over a lake so that it sails over the surface of the water. the rock has a mass of 0.090 kg and is initially moving at 8.0 m/s. how much net force does it take to bring the rock to a stop in 1.00 s? a. 89 n b. 0.120 n c. 0.72 n d. 0.011 n

Suppose you throw a small rock over a lake so that

Ответ:

TravisI00

17.01.2022

M = 0.09 kg
v o = 8 m / s
v = v o - a t
v = 0 m/s ( velocity is zero when the rock stops )
0 = 8 - a * 1
a = 8 m/s²
F = m * a
F = 0.09 kg * 8 m/s² = 0.72 N
C ) 0.72 N

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Ответ:

xboxgamer304

22.09.2021

Physics

Yes, you are correct! Great job :)

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Suppose you throw a small rock over a lake so that it sails over the surface of the water. the rock has a mass of 0.090 kg and is initially moving at 8.0 m/s. how much net force does it take to bring the rock to a stop in 1.00 s?

a. 89 n

b. 0.120 n

c. 0.72 n

d. 0.011 n

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