The girl has a speed of 7m/s at the bottom of a ramp. Calculate the kinetic elegy of the girl at the bottom of the ramp. Use the equation: Kinetic energy= 0.5 x mass x (speed) ²

What statements accurately describe atoms

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?

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.