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3 years ago

3. An explosion of gas from a Hawaiian volcano blows a bunch of rocks into the sky. Each has 2000J of

Physics

1 answer:

anzhelika [568]3 years ago

4 0

Answer: 3.906kg

Explanation:

K.E = 2000J

V = 32m/s

m =?

K.E = 1/2MV2

2000 = 1/2M x (32^2)

2000 = 1/2M x 1024

2000 = 512M

M = 2000/512

M = 3.906kg

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Answer:

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Explanation:

From the question we are told that

The total mass is $m = 200 \ kg$

The radius is $r = 5 \ m$

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$F_N = T + mg$

=> $(\rho_a * V * g ) = T + mg$

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