What is the difference between speed and velocity?
velocity is used in space, while speed is used on earth.
velocity describes direction with position.
there is no difference.
velocity describes speed with direction.

In order to place a satellite into orbit, it requires enough fuel to supply the necessary mechanical energy. into what types of mechanical energy does the fuel get transformed?

25pts the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

What was the first instrument to ever record an earthquake?