Which of the following reactions release more energy?

fusion reactions

nuclear chain reactions

fission reactions

chemical reactions

A fan is turned off, and its angular speed decreases from 10.0 rad/s to 6.3 rad/s in 5.0 s. what is the magnitude of the angular acceleration of the fan?

Assume these objects are moving and have the same velocities. Rank them based on the amount of kinetic energy they have, from highest to lowest. 1.) bicycle 2.) roller skate 3.) Car

Why do a circulatory system is important in meeting the needs of all cells throughout an animals body

Dad is driving the family station wagon to grandma's house when he gets tired and pulls over in a roadside rest stop to take a nap.

What are semi - conductors?

The voltage across the primary winding is 350,000 V, and the voltage across the secondary winding is 17,500 V. If the secondary winding has 600 coils, how many coils are in the primary winding? 30 583 12000 332500

A 200 watt t. v. is used for 20 hours in a week. If it is used for four weeks then what is cost of electricity if rate is 5rs/kwh

In an experiment, the control is never changed by the scientist not important to the scientist not recorded by the scientist changed by the scientist

When you catch a baseball, what kind of work do you do, negative or positive? by catching the ball, what do you change? what energy does it gain or lose?

All describe work except A) a team of dogs dragging a sled B) a jokey sitting on a horse C) a bowler lifting a bowling ball