If the speed of sound is approximately 671 mi/hr, about how many meters per second is it? (1mile=1609m)

describe the interaction between the farmer and manufactured objects, such as farming equipment. how does energy flow

What branch of physics best explains the photoelectric effect? A.) nature of light B.) general relativity C.) law of conservation of momentum D.) thermodynamics

7. A 50 kg pole vaulter running at 10 m/s vaults over the bar. Her speed when she is over the bar is 1.0 m/s. Neglect air resistance, as well as any energy absorbed by the pole, and determine her height as she crosses the bar.

Which of the following describes an atom with a positive net charge? * It contains more electrons than protons It contains more protons than neutrons O It contains more neutrons than protons

Which causes the thermocline? A. The sun's radiation heats the surface waters, which descend to the depths and bring colder water to the surface. B. The sun's radiation heats equatorial waters more than polar waters. C.

Shannon is playing tennis. She swings her racket to hit the tennis ball and sends the ball flying in the same direction.

How much uninterrupted time should you set aside to do homework?

What coefficients would balance the following equation? __Al + __O2 → __Al2O3 A. 2Al + 3O2 → 1Al2O3 B. 2Al + 3O2 → 2Al2O3 C. 3Al + 3O2 → 2Al2O3 D. 4Al + 3O2 → 2Al2O3

What form of nitrogen are most plants able to absorb

As shown in the video, earth has two tidal bulges at all times. approximately where are these bulges located?