Suppose a conducting rod is 52 cm long and slides on a pair of rails at 2.75 m/s. What is the strength of the magnetic field in T if a 8 V emf is induced?

What are the steps to extract metal from the earths crust

Sally is going shopping with her friend Susan at the mall which is located 10 kilometers away from her house she drives half way to the mall and then realizes she forgot her purse at home she turns around and goes back home to get it and drives

Does the thickness of the wire affect the strength of an electroscope

The amount of kinetic energy a moving object has depand on its

A 3 kg ball rolls off a 33 m high cliff, and lands 23 m from the base of the cliff. Express the displacement and the gravitational force in terms of vectors and calculate the work done by the gravitational force.

During a baseball game, a player hits a a ball with a speed of 43m/s at an angle of 25∘ above the horizontal. When the player hit the ball, it was 1m above the ground, and after the hit, the ball flies straight toward the center field fence.

How does the electric potential energy change as the electron moves from i to f?

A sound wave travels twice as far in neon (Ne) as it does it krypton (Kr) in the same time interval. Both neon and krypton can be treated as monatomic ideal gases. The atomic mass of neon is 20.2 u, and that of krypton is 83.8 u.

A 0.25 kg hockey puck is sliding along the ice with an initial velocity of 5 m/s when a player strikes it with his stick, causing it to reverse its direction and giving it a velocity of 30 m/s.

The physiological aim of drive reduction theory is