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Zarrin [17]
3 years ago
7

Objects in motion eventually stop moving due to a _____ .can someone help me with this question

Physics
1 answer:
Tom [10]3 years ago
8 0

External force.

Air resistance, friction, grass rubbing on a rolling ball, etc.

If there is no external force on a moving object, it keeps going.

Forever !

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After travelling 4.0 km, the train reaches its maximum speed. it continues at this constant speed on the next section of the tra
lozanna [386]

Answer:

  toward the center of the circular curve

Explanation:

An object will follow a circular path at constant speed if and only if its net acceleration is constant and directed toward the center of the curved path.

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The result force is directed toward the center of the circle.

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<em>Additional comment</em>

If any part of the result force is in the direction of motion, the speed will not be constant. If the center-directed force is not constant, the path will not be circular.

5 0
1 year ago
A single circular loop of wire of radius 0.45 m carries a constant current of 2.4 A. The loop may be rotated about an axis that
Snowcat [4.5K]

Answer:

The magnitude of the uniform magnetic field exerting this torque on the loop is 1.67 T

Explanation:

Given;

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current on the loop, I = 2.4 A

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torque on the coil, τ = 1.5 N.m

The torque on the coil is given by;

τ = NIBAsinθ

where;

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Area of the loop is given by;

A = πr² = π(0.45)² = 0.636 m

τ = NIBAsinθ

1.5 = (1 x 2.4 x 0.636 x sin36)B

1.5 = 0.8972B

B = 1.5 / 0.8972

B = 1.67 T

Therefore, the magnitude of the uniform magnetic field exerting this torque on the loop is 1.67 T

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3 years ago
How much heat is needed to vaporize 25.0 kg of water (Ly - 540 kcal/kg)?
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