In order to calculate pressure exerted on a surface, what quantity is divided by the surface area? a force b mass c altitude d volume

If you have a string of lights and one light goes out but the others stay lit, which type of circuit do you have? series parallel short broken

Which example identifies a change in motion that produces acceleration? choices are: 1. a speed skater moving at a constant speed on a straight track 2. a ball moving at a constant speed around a circular track 3.

How much heat is needed to raise the temperature of 90g of water by 86oC

How does the current in a resistor change if the voltage across the resistor is decreased by 4

The jumper has a mass of 50 kg, and the bridge's height above the river is 150 m. The rope has an unstretched length of 11 m and stretches a distance of 4 m before bringing the jumper to a stop.

Why does removing one bulb from a series light circuit cause all the lights to go out?

Students performed several trials using the laboratory setup shown. Students were also given this hypothesis: If friction increases, then the rolling distance of a marble will decrease.

If cable cb is subjected to a tension that is twice that of cable ca, determine the angle u for equilibrium of the 10-kg cylinder. also, what are the tensions in wires ca and cb?

A cinder block is sitting on a platform 20m high. It weighs 79N.

What type of energy I'd converted into machanical energy when a person walks