Which definition is correct and uses only quantities rather than units? A. Density is mass per unit volume B. potential difference is energy per unit current C. Pressure is force per unit area D. speed is distance travelled per second

A duck with a mass of 0.90 kilograms flies at a rate of 12.0 m/s. What is the kinetic energy of the duck? 130 J 5.4 J 65 J 11 J

Which phrase is the best definition of a compound direct object? a. two or more adverbs that modify two or more different verbs b. two or more direct objects following the same verb phrase c. a prepositional phrase after a verb phrase d.

A 0.500 kg rock is whirled in a vertical circle of a radius 0.60 m. the velocity of the rock at the bottom of the swing is 4.0 m/s. what is the acceleration A 3.3 m/s^2 B 26.6 m/s^2 C 13.3 m/s^2 D 6.6 m/s^2

A plane traveling at 80 m/s on a runway and comes to rest after 10 seconds. what was the planes deceleration

If a thief jumps from the tried floor of a house while holding a box on

Inside a stereo speaker, you will find two permanent magnets: one on the cone and one near the cone. True of false?

When a hurricane nears land what causes the most damage

Calculate if an electric hair dryer uses 2,400 j of energy in 2 s, what is its power?

Which of the following choices best represents a potential stressor?

How do you distinguish between speed, velocity, and acceleration?