A rake is held so that its input arm is 0.4 meters and its output arm is 1.0 meters. What is the mechanical

advantage of the rake?

When a tuning fork vibrates over an open pipe and the air in the pipe st21 to vibrate, the vibrations in the tube are caused by A. resonance. B. reinforcement. C. harmonics. D. beats.

To enter the main pool at an amusement part, a swimmer uses a water slide which has a vertical height of 2.89 m. find her speed at the bottom of the slide if she starts with an initial speed of 0.810 m/s.

The leader of Haiti's revolution was a. Sim n Bolivar. b. Toussaint L'Ouverture. c. Miguel Hidalgo. d. Jose de San Martin.

We cannot consider something to be work unless

Although electric field is tangent to electric field lines, free charged particles do not necessarily move alone the field lines. Explain why not, and give a specific example illustrating your reasoning

What is the most advanced life form on earth

Which EM wave is about the size of humans?

Describe how the Catapult works?

Newton's third law of motion states that the force pair acting on different objects consist of two forces that

While working on her science fair project Venus connected a battery to a circuit that contained a light bulb. Venus decided to change the light bulb to a higher resistance, but she wanted to keep the current the same.