How long can you play tennis on the 949kJ of energy in a candy bar? Assume that the average power consumption for a person playing tennis is 440W.

Soils with a pH of 6.5 are considered slightly acidic true or false

A car goes from 10 m/s to 3 m/s in a short time of 6.5s. what is the car's acceleration? A. - 1.08 m/s^2 B. 1.08 m/s^2 C. 0.93 m/s^2 D. - 1.08 m/s

2) A particle of mass 19 g moves in a circle of radius 0.44 m. The kinetic energy of the particle is 3.7 J. What is the magnitude of the net force on the particle?

Are stained glass windows transparent, opaque or translucent

A negative charge moves in a direction opposite to that of an electric field. What happens to the energy associated with the charge?

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

What is the basic definition of a black hole? a. any compact mass that emits no light b. a dead star that has faded from view any object from which the escape velocity exceeds c. the speed of light any object made from dark matter d.