If a mass of 1 kg is accelerated to 1 m/s2 by a force of 1 N, then what would be the acceleration if both force and mass are doubled?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

From 0 to 5 seconds john pushed a box 5 meters. from 5 to 10 seconds, paul pushed the same box another 5 meters. who did more work? a. john b. paul c. john and paul did the same amount of work.