Why is the amount of mechanical energy produced less than the amount of electrical energy used?

Sugarcane is an example of a plant that can be used to produce which kind of fuel

Suppose you have an unknown clear substance immersed in water, and you wish to identify it by finding its index of refraction. You arrange to have a beam of light enter it at an angle of 45.7∘, and you observe the angle of refraction to be 30.5∘.

How to use Da Vinci flying pedulum clock

Adam EvilKeynevil is a daredevil. As part of his act, Adam gets into his cannon and shoots himself at a 25.0 degrees angle at an initial velocity of 30.0 m/s. How far away from his initial position does he land?

Which kind of force do you exert on an object when you put it towrd you?

What factors determine power

Superman, with a mass of 150kg, goes into outer space to push a 125000kg alien spaceship out of stationary orbit. He uses his super strength and pushes the ship away ay at speed of 150m/s. What is the speed of Superman after his big push

Most telephone cables are made of copper wire of either 24 or 26 gauge. If the resistance of 24-gauge wire is 137 Ω/mile and the resistance of 26-gauge wire is 220 Ω/mile, what is the ratio of the diameter of 24-gauge wire to that of 26-gauge wire?

Classify the sentences based on whether they describe temperature or thermal energy.

Let the magnitudes of two displacement vectors be 4 m and 8 m, respectively. If the two vectors are added, the magnitude of the resultant vector. A. is exactly equal to 4 m. B. is exactly equal to 12 m. C. is greater than 12 m. D.