What is the meaning of lightyear?

You walk 5 km east then turned and walked 2km west what would your displacement be

Which type of mine involves digging tunnels and shafts deep underground? Question 19 options: 1) strip mine 2) openpit mine 3) subsurface mine 4) smelting

What is the speed of a wave which has a frequency of 200hz and a wave length of 0.50m

A moving object has a kinetic energy of 150 j and a momentum with a magnitude of 30.0 kg•m/s. determine the mass and speed of the object

NaBr + H3PO4 = Na3PO4 + HBr

How long would it take the Earth to complete 4 orbits around the Sun?

Why is a control important in an experiment?

Explain the law of conservation of energy then give an example that shows the slot to be true in your example explain where there is potential energy and where there is kinetic energy also explain if any energy is lost to friction

Communicate is 25 a multiple of 2 or 5? how do you know?

When a ball is dropped it is easy to see that earth exerts a force on it. why cant you tell that the ball exerts a force on it. why can't you tell the ball exerts a force on Earth