Which of the following describes a machine that is made up of a lever and a wedge?

simple machine

compound machine

pulley

efficiency

How to find voltage reading?

A steel cylinder with a moveable piston on top is filled with helium (He) gas. The force that the piston exerts on the gas is constant, but the volume inside the cylinder doubles, pushing the piston up.

Two flywheels of negligible mass and different radii are bonded together and rotate about a common axis (see below). The smaller flywheel of radius 30 cm has a cord that has a pulling force of 50 N on it.

How do mass and force affect the acceleration of an object?

It takes 3 minutes to make toast in a 1500 watt toaster. Calculate how much work is done by the toaster. A) 8.3 J B) 60 J C) 90,000 J D) 270,000 J

How do you say scuba dive in spanish

a boy hears the echo of his own voice from a distance hill after 0.8 seconds. If the speed of sound in air is 340m/s, calculate the distance of the hill from the boy.

Which of the following are found in plant cells buh not animal cells?

The diagram shows the field lines near the poles, X and Y, of two magnets Based on the field lines, what are the poles of the magnets? O X: north Y south X: south Y north X north Y north Х Y X south Y south

Why is it safe to watch an eclipse of the Moon but not an eclipse of the Sun