Which kind of energy transformation occurs when skaters falls back onto the ramp

a. mechanical to gravitational to nuclear

b. kinetic to potential to electrical

c. gravitational to kinetic to energy

d. mechanical to potential to gravitational

On the surface of Earth, a spacecraft has a mass of 2.00 x 10⁴ kilograms. What is the mass of the spacecraft at a distance of one Earth radius above Earth's surface? (1) 5.00 * 10³ kg (2) 2.00 * 10⁴ kg (3) 4.90 * 10⁴ kg (4) 1.96 * 10⁵ kg

Where does the energy lost from trophic level to trophic level go?

Everyone's physical ability to achieve levels of fitness is the same?

What is the purpose of the metal core in an electromagnet? It is magnetized and induces a current in the solenoid to decrease the magnetic field strength. It is magnetized and induces a current in the solenoid to increase the magnetic field strength.

A teacher pulls a box of books on a horizontal floor with a force of 290 N directed 40.9 degrese above the horizontal. the coefficiant of kinetic friction between the box and the floor is 0.184. the mass of the box and books is 44.5 kg.

Know that these units are for Ohm Volt Ampere Watt Coulomb Kilowatt hour

An object's acceleration is given by a (t) = a (t) = 60t m/s260t m/s2. if it begins at rest, how far has it gone after 10 seconds?

Charged low pressure refrigeration machines may be most efficiently leak checked by

The boundaries between all of these plates are best described as the sites of

Which two substances could be produced in a combustion reaction? A. Carbon dioxide and oxygen B. Carbon dioxide and water C. Heptane and water D. Heptane and oxygen