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rewona [7]
2 years ago
7

Which box has a larger upward force (normal force) acting on it?

Physics
1 answer:
andrezito [222]2 years ago
4 0

Answer:

c

Explanation:

I makes the most sense in math. if you put a 3 in the m box it will be the same. So all they did is take out the 3 in the m box

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A disk of radius 25 cm spinning at a rate of 30 rpm slows to a stop over 3 seconds. what is the angular acceleration?
SCORPION-xisa [38]

Answer:

α = -π/3 rad/s²

θ = 1.5π rad ≈ 4.71 rad

θ = 0.75 rev

Explanation:

30 rev/min (2π rad/rev) / (60 s/min) = π rad/s

α = (ωf - ωi) / t = (0 - π) / 3 = -π/3 rad/s²

θ = ½αt² = ½(π/3)3² = 1.5π rad ≈ 4.71 rad

θ = 1.5π rad / 2π rad/rev = 0.75 rev

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