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slavikrds [6]
3 years ago
9

A uniform, solid sphere of radius and mass starts with a purely translational speed of at the top of an inclined plane. The surf

ace of the incline is long, and is tilted at an angle of with respect to the horizontal. Assuming the sphere rolls without slipping down the incline, calculate the sphere's final translational speed at the bottom of the ramp.
Physics
1 answer:
klio [65]3 years ago
3 0

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Answer: 24 dBm

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The drag on a pitched baseball can be surprisingly large. Suppose a 145 g baseball with a diameter of 7.4 cm has an initial spee
kupik [55]

Answer:

<h2>Part A)</h2><h2>Acceleration of the ball is 10.1 m/s/s</h2><h2>Part B)</h2><h2>the final speed of the ball is given as</h2><h2>v_f = 35.3 m/s</h2>

Explanation:

Part a)

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F = \frac{C_d \rho A v^2}{2}

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v = 40.2 m/s

so we have

F = \frac{0.35\times 1.2 (4.3 \times 10^{-3})(40.2)^2}{2}

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So acceleration of the ball is

a = \frac{F}{m}

a = \frac{1.46}{0.145}

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Part B)

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v_f = 35.3 m/s

4 0
4 years ago
In thermodynamics, a closed system is a system where _____
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The answer to your question is C.

Hope it helped!
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7 0
4 years ago
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