What is the process called when the moon begins to fade from a full moon to the new moon?
1 answer:
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Answer:
a.Electric force exerted on one charged sphere, by another charged sphere.
Explanation:
Coulomb's Law describes the electric force between two objects. It is given by the following formula:
The magnetic field surrounding a current carrying conductor is described by Ampere's Law.
Amount of heat generated by a high current flow in a resistor can be described by P = VI
Voltage induced in a coil by a constant magnetic field is described by Faraday's Law.
Answer:
F = mg/2
Explanation:
The full question is attached to the solution of this question.
The forces acting on the box include the weight of the box, the force, F and the tension in the wire attached.
The force required to pull up the box at constant velocity normally is equal to the weight of the box.
W = mg
But in this setup,
The force balance on the box
Sum of upward forces = sum of downward forces.
T + F = mg
But the pulley is frictionless, hence, the force, F is equal to the tension in the wire.
T = F
2F = mg
F = mg/2
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