A student walks to school at a speed of 1.2 m/s. if the students mass is 53kg, what is the students kinetic energy

In order for work to take place the energy present must be related to the movement of the object. a. the force applied must be a balanced force resulting in motion of the object. b. the force applied must cause the movement of the object c.

A 58-kg skater is standing still in front of a wall. By pushing against the wall she propels herself backward with a velocity of - 1 m/s. Her hands are in contact with the wall for 0.80 s. Ignore friction and wind resistance.

A 60kg student is sitting in a chair and is not moving. what is the force of a student acting on the chair? what is the force of the chair acting on the student?

An alternator provides 20 A of peak current at 100 V peak AC to a resistive electric heater. How much heating power is delivered to the load?

How could you increase the potential energy of the apple?

Velocity is: а - speed and direction. b - distance divided by time. c - always the same as speed. distance multiplied by time. d - distance multiplied by time

The gauge pressure in each of the four tires of an automobile is 230 kpa. if each tire has a "footprint" of 180 cm2 (area touching the ground), determine the mass of the car.

A bus travels 20 KM and 30 minutes what is average speed of the bus

What is the total number of atoms in the following formula? CaBr2

A lifeguard on a beach observes that waves have a speed of 7 m/s and a distance of 4.6m between wave crests. what is the period of the wave motion?