A block and tackle pulley system of 6 pulley uses 300N to overcome 1200N. find efficiency

What is the difference between negative displacement and negative velocity?

If love is the answer, then what is the question?

The plates of a parallel-plate capacitor each have an area of 0.1 m^2 and are separated by a 0.9 mm thick layer of porcelain. The capacitor is connected to a 14 V battery. (The dielectric constant for porcelain is 7.) (a) Find the capacitance.

What will happen if you didn't have chemical energy in your body

The presence of which phenomenon proved the predictability of the big bang theory?

Mazie stands on her kitchen floor. The coefficient of kinetic friction between her socks and the floor is 0.62, and the coefficient of static friction is 0.75. She has a mass of 42 kg. a.

The kinetic energy of an object is quadrupled. its momentum will change by what factor?

Combining which of the following substances with germanium will cause the germanium to emit free electrons? A. Bismuth B. Gallium C. Aluminum D. Indium

A 50.0-g Super Ball traveling at 25.0 m/s bounces off a brick wall and rebounds at 22.0 m/s. A high-speed camera records this event. If the ball is in contact with the wall for 3.

A heat engine with a thermal efficiency of 45 percent rejects 500 kj/kg of heat. how much heat does it receive