Work is a product of

A force and distance

B force and heat energy

C cause and heat energy

D cause and effect

The best material to connect a power source to a light bulb is one that

Pathogens are A. disease causing organisms B. Stressors C. Factors that may eliminate stress D. diseases that predispose people to stress

Three cars (car L, car M, and car N) are moving with the same speed and slam on their brakes. The most massive car is car L, and the least massive is car N.

A roller coaster car speed is 4 m/s, but 3 seconds later its speed is 22 m/s. What is its average acceleration?

For a projectile, why is the initial horizontal velocity equal to the final horizontal velocity?

A spring with a spring constant of 1200 N/m has a 55-g ball at its end. The energy of the system is 5.5J. What is the amplitude of vibration?

Force F1 acts on a particle and does work W1. Force F2 acts simultaneously on the particle and does work W2. The speed of the particle does not change. Which one of the following must be true? a. W1 is zero, and W2 is positiveb. W1 = - W2c.

The amplitude of a sound is the Group of answer choices frequency of the sound. magnitude of displacement of a sound pressure wave. psychological aspect of sound related to timbre. amount of sound energy falling on a unit area.

Air at 38°C and 97% relative humidity is to be cooled to 18°C and fed into a plant area at a rate of 510 m/min. a. Calculate the rate (kg/min) at which water condenses. b.

a 7.26kg bowling ball (16 pounds) is at rest at the end of the bowling lane. : how long did you push the ball in this situation