What would have to be the self-inductance of a solenoid for it to store 10.5 j of energy when a 1.35 a current runs through it?

a circuit contains 2 ohm and 4 ohm resistors connected in parallel, find the total resistance & the amount of current in each resistor if it was connected to a 12 v battery

6. The peak value of an AC sine wave is 120 V. What's the effective value (rounded) ? A. 65 V B. 85 V C. 200 V D. 140 V

If an object is in equilibrium, which of the following statements is not true? A) The velocity is constant. B) The object must be at rest. C) The net force acting on the object is zero. D) The acceleration of the object is zero.

What eventually halts the gravitational collapse of an interstellar gas cloud that forms an object that is not massive enough to become a star?

Three positive charges are arranged as shown in the diagram. What is the magnitude and direction of the net electrical force acting on the + 3 µC charge? magnitude: 1.75 N direction: 6.2° north of east magnitude: 1.75 N direction: 6.

How do aeroplanes fly?

What is constant acceleration?

What is the best conductor of electricity? A. aluminum B. gasoline C. protien D. lipids

A container of water is lifted vertically 3.0m

Newton's second law of motion addresses the relationship between what two variables that influence the force on a body? A. Mass and acceleration B. acceleration and inertia C. Inertia and mass D. Acceleration and velocity