If an athlete executing a long jump leaves the ground at a 30° angle and travels 7.80 m, what was the takeoff speed

Which simple machine is not part of this compound machine? a. lever b. pulley c. inclined plane d. wheel and axle

Time remainin52: 42the chart shows data for a moving object.which conclusion is best supported by the information inthe chart? time (s)velocity (m/s

On a frictionless air track, a blue glider with mass 0.200 kg is moving to the right with a speed of 8.00 m/s. it strikes a red glider that has mass 0.600 kg and that is initially at rest. after the collision, the blue glider is moving to the left with a speed of 3.00 m/s.(a) what are the magnitude and direction of the velocity of the red glider after the collision? (b) is this collision elastic?