An object is moving velocity 23m/s. it accelerates to a velocity of 85m/s over a time of 8.3s. what acceleration did it experience?

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

What was the first instrument to ever record an earthquake?

During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.