Kinetic energy is measured in joules. True or false

Which one of these statements is not true? A) Momentum is conserved during elastic collisions. B) Momentum is conserved during inelastic collisions. C) Momentum changes only when there is a force applied. D) They are all true statements.

A simple circuit has a 20 Ω resistor and carries 0.3 a. What is the voltage of the power source?

A motorcycle accelerated from 10 metre per second to 30 metre per second in 6 seconds. How far did it travel in this time?

An AC generator consists of eight turns of wire, each of area 0.0775 m2, and total resistance of 8.53 Ω. The loop rotates in the external magnetic field of strength 0.222 T at a constant frequency of 51 Hz.

If a ball is thrown vertically upward with a velocity of 160 ft/s, then its height after t seconds is s = 160t - 16t^2.

Which of the following forms a sphere around the Sun? A. the Oort Cloud B. the Kuiper Belt C. the orbit of Jupiter D. the main asteroid belt

An electron in a vacuum is first accelerated by a voltage of 51400 V and then enters a region in which there is a uniform magnetic field of 0.4 T at right angles to the direction of the electron's motion. The mass of the electron is 9.

A narrow is used to slow the flow of electron in a circuit. You would write the amount current is slowed using what units A. Volts B. ohms C. amps D. dergees

If you drop an object from a height of 1.9 m, it will hit the ground in 0.62 s. if you throw a baseball horizontally with an initial speed of 34 m/s from the same height, how long will it take the ball to hit the ground?

What are the three electrical properties?