What is a pulleys purpose

What is the mass and weight of a 10kg object on the moon where the force of gravity is 1/6-th that of the earth's?

He amount of matter in an object is known as .

What is the measure of a change in an objects velocity?

How many steps are there in the formation of a solar system?

Explain convection in as little as possible

If a bar magnet is falling through a loop of wire, the induced current in the loop of wire sets up a field which exerts a force on the magnet. This force between the magnet and the loop will be attractive when:

Orange juice has a lower or higher viscosity than chocolate syrup

A plane is sitting on a runway, awaiting takeoff. On an adjacent parallel runway, another plane lands and passes the stationary plane at a speed of 40 m/s. The arriving plane has a length of 40 m.

How much time does it take for a car travelling at 5m/s in 21 metres

Finley is trying to transmit a sound wave that will travel continuously, but he is frustrated by the excess noise. What kind of signal is Finley sending?