What produces a magnetic field? A. electrical resistance B. increase in Ohms C. transfer of protons D. movement of electrons

Describe how particles of the medium move in a surface wave.

What is the magnitude of the force you must exert on the rope in order to accelerate upward at 1.4 m/s2, assuming your inertia is 63 kg? Express your answer with the appropriate units.

In tae-kwon-do, a hand is slammed down onto a target at a speed of 10.5 m/s and comes to a stop during the 2.13 ms collision. Assume that during the impact the hand is independent of the arm and has a mass of 0.400 kg.

Suppose you are holding a basketball while standing still on a skateboard you are and the skateboard have a mass of 50 kg you throw the basketball with a force of 10 N what is your acceleration before and after you throw the ball

Matter waves A. can reflect, refract, diffract, and interfere like sound and light waves B. have amplitudes, wave speeds, wavelengths, and frequencies like sound and light waves C. indicate where the matter is likely to be found D.

In the physics of motion a force acting over a distance is?

What is the resistance of a clock if it has a current of 0.30 a and runs on a 9.0-v battery? 0.033 2.7 9.3 30

A child is sledding. He starts at the top of the hill with a velocity of zero, and 3 seconds later he is speeding down the hill at 12 meters per second. What is the child's acceleration?

An accelerating voltage

A speck of dust on a spinning dvd has a centripetal accelera - tion of 20 m/s2. a. what is the acceleration of a different speck of dust that is twice as far from the center of the disk? b.