During the refrigeration cycle, the refrigerant absorbs and releases thermal energy by vaporizing and condensing.

A.) True

B.) False

Which statement accurately describes a La Niña event? It is the cause of an El Niño event. Its effects are localized, not global. It has the opposite effect of an El Niño event. It is the name for an unusually long El Niño event.

Which will have the greatest effect on power consumption A.) add more circuit brakes and fuses B.) turn on all electric devices in a circuit C.) turn on only the electrical devices that use the most watts D.

True or False: Cooler objects have more thermal energy than warmer objects. Be 100% correct

By applying a 12-newton horizontal force, a 7-kilogram block is moved 12 meters in 3 seconds on a frictionless, horizontal surface. How much power was used in moving the block. A) 144 watts B) 112 watts C) 16 watts D) 48 watts

Jennifer wants to do a scientific investigation, and has already chosen her question. Now, she needs to collect information from A) reliable internet sites B) published journals C) books D) all of these

To practice Tactics Box 10.1 Calculating the work done by a constant force. To find the work done on an object by a force, begin with a visual overview and follow Tactics Box 10.1.

the color of the sun appears to be orange or yellow when looking from the earth but it really is red. true or false

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? 1 - positive 2 - negative 3 - zore

Which object has the most gravitational potential energy? A. an 8 kg book at a height of 3m B. an 5 kg book at a height of 3 m C. A 5 kg book at a height of 2 m D. a book at a height of 2 m

A moving object has a kinetic energy of 150 j and a momentum with a magnitude of 30.0 kg•m/s. determine the mass and speed of the object