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DaniilM [7]
3 years ago
10

What does it mean when wave

Physics
1 answer:
Len [333]3 years ago
6 0

Answer: C

Explanation:

Waves with a higher frequency have crests that are closer together, so higher frequency waves have shorter wavelengths.

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If the shopping cart is parallel to the ground, the weight is acting vertically downward, then force is equal to weight. The normal force will be acting perpendicular to the ground,and acting upward opposite of the weight.
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4 0
3 years ago
A cooling fan is turned off when it is running at 850 rev/min. It turns 1500 revolutions before it comes to a stop. (a) What was
8_murik_8 [283]

Answer

given,

cooling fan revolution = 850 rev/min

fan turns before revolution = 1500 revolutions

\omega = 850 \dfrac{2\pi}{60}

\omega = 89\ rad/s

θ = 1500 revolution

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θ = 9424.78 rad

a) using equation of rotation

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0 = 89² + 2 x α x 9424.78

α = -0.42 rad/s²

b) time take for the fan to stop

ω = ω₀ + α t

0 = 89 - 0.42 t

t = \dfrac{89}{0.42}

t = 211.9 s

5 0
3 years ago
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