What is the kinetic energy of a 10-kg bicycle moving at 10 m/s?

Water has a high specific heat capacity. This means that a lot of energy is needed to change its temperature. True or false?

Kyle is flying a helicopter and is rising at 5.0m/s when he releases the bag. After 2.0s a) what is the bag's velocity? b) how far has the bag fallen? c) how far below from the helicopter is the bag?

Which of the following proved that the de broglie's equation was correct? A) Einstein theory of relativity B) Planck's equation C) quantum mechanics D) Davisson-Germer experiment

Heavy ions, such as alpha particles, lose kinetic energy as they travel through matter. Consider equation 31.1 or 31.2. Where do heavy ion lose more kinetic energy? a. The rate at which they lose energy does not depend on the speed of the ion. b.

When an explanation to a problem is accepted as always true, it is a. law theory hypothesis fact?

What is the difference between an object that sinks and one that floats?

Heliocentric means ... sun-centered. moon-centered. Earth-centered. galaxy-centered.

Which of the following statements are true? a. A satellite's motion is independent of its mass. b. A satellite's velocity and orbital radius are independent of each other. c. A geosynchronous satellite has a period of approximately 28 days. d.

Latent heat of vaporization refers to which changes of state? liquid to gas or gas to liquid solid to gas or gas to solid solid to liquid or gas to liquid gas to liquid or liquid to solid

In what part of the scientific method do you record data? a. Conclusion b. Experiment c. Analysis d. Hypothesis