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balandron [24]
3 years ago
12

The distance between your school and house is 80 m. In going to your school starting from your

Physics
1 answer:
SIZIF [17.4K]3 years ago
8 0

Answer:

a) 2/3 m/s

b) 0.0143 m/s

c) 0.00 m/s

Explanation:

a) 80 m / (2(60) s = 2/3 m/s

b) 2(80) / (3(3600) + (2 + 4)(60)) = 160 / 11,160 = 0.0143 m/s

c) start and end at your house. no displacement, no velocity.

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Both Newton's Law of Universal Gravitation and Coulomb's Law follow the ...
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2 years ago
A constant net torque is exerted on an object. Which of the following quantities for the object cannot be constant? (Select all
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A. kinetic energy

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4 years ago
Suppose a wheel with a tire mounted on it is rotating at the constant rate of 2.83 times a second. A tack is stuck in the tire a
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Answer:

The tangential speed of the tack is 6.988 meters per second.

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The tangential speed experimented by the tack (v), measured in meters per second, is equal to the product of the angular speed of the wheel (\omega), measured in radians per second, and the distance of the tack respect to the rotation axis (R), measured in meters, length that coincides with the radius of the tire. First, we convert the angular speed of the wheel from revolutions per second to radians per second:

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v = \left(17.781\,\frac{rad}{s} \right)\cdot (0.393\,m)

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The tangential speed of the tack is 6.988 meters per second.

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Answer:

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