And each year how many earthquakes detected around the whole world

How far can you throw a water balloon before it breaks

A plane flies along a straight line path after taking off, and it ends up 190 km farther east and 80.0 km farther north, relative to where it started. What is the plane's displacement?

Two small identical metal spheres, A and B, on insulated stands, are each given a charge of + 2.0 x 10-5 coulomb. The distance between the spheres is 2.0 x 10-1 meter.

Visit this website and locate the element mercury, whose chemical symbol is Hg. Click on the square to read about the history, properties, and uses of mercury. Name three uses for mercury.

The initial horizontal velocity of a projectile is blank it's final horizontal velocity

Protons and neutrons strongly attract when they

How far is Jupiter from the sun?

Steam moves into a cylinder of a steam engine at a constant pressure and does 2.34 J of work on a piston. The diameter of the piston is 3.4 cm and the piston travels 4.6cm. What is the pressure of the steam?

Identify each type of simple machine.

A car's speedometer reads 20 m/s after accelerating, from a standing start, for 25s. What was the magnitude of its acceleration?