What are two ways that machines make work easier?

Which best describes the difference between internal and thermal energy? Internal energy is the total potential energy in a substance, and thermal energy is the total kinetic energy in a substance.

Different wavelengths of light are seen as different. A. Atoms B. Sounds C. Colors D. Speeds

Centripetal acceleration occurs because an object is Select one: a. slowing down. b. changing direction. c. speeding up. d. none of these choices.

Daniel Levinson found that men and women A. Go through the same stages of development B. Differ in terms of their social roles and identities C. Deal with the development tasks in each stage differently D. All of the above

What is the potential energy of a 2,000-kg car parked at the top of a 30-m hill?

What is the phenomenon thats occours when two waves (blank) while traveling along the same medium

The acceleration of an object increases by the force applied to it and decreases based on it's mass.

Expresa en terminos de la unidad fundamental

What color does Indigo turn things?

Which equation expresses the conservation of mechanical energy in a system that involves kinetic energy, gravitational potential energy, and elastic potential energy?