Where does the rest of the energy 90% go?

The magnetic flux through each loop of a 75-loop coil is given by (8.8t-0.51t3) * 10-2t⋅m2, where the time t is in seconds.

The air pushes against the balloon with a force of 200 N and the area of the balloon is 2 m2. Calculate the Pressure.

A student observed a sample of water in three states of matter. The student should describe the liquid water as a state of matter that has A. less kinetic energy than the solid state. B. less volume than the solid state. c.

Two enery converrsation that take place when you warm a cup of cocoa in a microwave Oven

A block with m = 300 grams oscillates at the end of a linear spring with k = 6.5 N/m. (assume this is a top-down view and the block is sliding on a frinctionless surface;

Between steps 3 and 4, the heat energy in the steam is converted to A. mechanical energy B. heat energy C. transitional energy D. electrical energy

A steam engine absorbs 4 x 105 J and expels 3.5 x 105 J in each cycle. What is its efficiency? 100% 12.5% 75% 33%

The Biot-Savart force law deals specifically with: a/the magnetic field surrounding a long, straight wire b / currents induced in a conductor c / the duplication of poles in a bisected bar magnet d / the force between magnetic poles

If the efficiency of a lever is 30% and 560 J is used to move the lever, what is the work output? A) 18.7J B) 168 J C) 1,867 J D) 16,800 J

What likely happens to the hart rate as the cardiac mucle gets stronger