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Yanka [14]
3 years ago
8

Did I do this right??

Physics
1 answer:
Nikitich [7]3 years ago
7 0

Answer:

yes

Explanation:

good job

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It is neither false nor true. When they collide some of one of the objects goes to the other object.

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the freezing point of water is the same as ice's __________ point. a. boiling b. melting c. condensing d. sublimation
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Find the magnitude of the side and the angle. Please help!
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Explanation:

<em>Assuming the triangle is a right triangle,</em>

the magnitude of R can be found using the Pythagorean theorem,

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The angle can be found by arctangent, which is

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3 years ago
A wheel 30 cm in diameter accelerates uniformly from 245 rpm to 380 rpm in 6.1 s . Part A How far will a point on the edge of th
jonny [76]

Answer:

A point on the edge of the wheel will travel 199.563 radians at the given time.

Explanation:

Given;

initial angular velocity of the wheel; \omega _i = 245 \ rev/\min = 245\ \frac{rev}{\min} \times \frac{2\pi}{1\  rev} \times \frac{1 \ \min}{60 \ s} = 25.66 \ rad/s

final angular velocity of the wheel;

\omega _f = 380 \ rev/\min = 380 \ \frac{rev}{\min} \times \frac{2\pi}{1\  rev} \times \frac{1 \ \min}{60 \ s} = 39.80 \ rad/s

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time of motion, t = 6.1 s

The angular distance traveled by the edge of the wheel is calculated as;

\theta = (\frac{\omega_f + \omega_i}{2} )t\\\\\theta =  (\frac{39.8 + 25.66}{2} )\times 6.1\\\\\theta = 199.653 \ radian

Therefore, a point on the edge of the wheel will travel 199.563 radians at the given time.

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3 years ago
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