What is the kinetic energy of an automobile with a mass of 1273 kg traveling at a speed of 12 m/s? answer in units of j?

It took a force of 250 n to pull a crate weighing 765 n across the floor the work done was 3500 j how far was the crate moved

Give an example of how electromagnetic energy can cause changes in matter.

A 60 W light bulb at 120 V is left on in your house to prevent burglary, and the power charges 10 cents per kilowatt-hour, how much will it cost to leave the bulb on for 30 days?

The ratio of useful energy output to total energy input is called energy.

Calculate the energy needed to heat 4 kg of water from 25 degrees c to 45 degrees c

You are riding a bicycle home from school. You average 5 meters per second and you are headed south. What motion can you determine from this data? OA Acceleration OB Distance OC Speed OD Velocity

Spiral galaxy rotation curves are generally fairly flat out to large distances. Suppose that spiral galaxies did not contain dark matter.

How are the functions of the cytoskeleton and the cell wall similar

1. How many electrons does the K level of an atom hold?

A puck traveling at 6 m/s in the + x direction hits a wall and bounces back. Right after the collision with the wall it is traveling in the - x direction at 6 m/s.