Billy tapped the ruler and it made a funny noise. Billy heard the sound because the ruler vibrated

forth.

molecules back and

the air

his ear

the table

his finger

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?