A man pushes down on a lever with 45 N and the lever moves 1.5 meters. The other end of the lever lifts a 87.6 N box. 4 meters. What is the efficiency of the lever?

How can you connect four of them to produce an equivalent resistance of 0.25 kω?

A one-family dwelling contains an electric range rated at 25 kw. what is the neutral load demand for this range

You push a coin across a table the coin stops how does this motion relate to balanced and unbalanced forces

Which of the following is a true statement about recycling? Recycling allows resources to be reused, instead of dumped in landfills. Recycled products emit oxygen into the atmosphere. Recycling causes the earth to cool down, instead of warm up.

Cereal plants gain chemical potential energy as they grow. which form of energy is converted to create the chemical potential energy?

If your at the mall with your friends and they shoplift what would you do

Fluid is leaking from an axle seal. Technician A says to remove the wheel and check for incorrectly installed brake components. Technician B says to check for obstructions at the differential breather.

All matter we encounter in everyday life exists in one of three physical formss True or False.

15 grams of liquid plastic are frozen in a physical change that increases the volume. What can be known about the plastic after the change?

A Car is lifted a certain distance in a service station and therefore has potential energy relative to the floor. if it was lifted twice as high, how much potential energy would it have?