Is the measurement of the density of a substance as compared to water.

A liquid gravity

B precise gravity

C specific gravity

D ideal gravity

What best describe a sound wave

A car traveling at 28.0 m/s28.0 m/s hits a bridge abutment. A passenger in the car, who has a mass of 66.0 kg, 66.0 kg, moves forward a distance of 56.0 cm56.0 cm while being brought to rest by an inflated air bag.

One section of a pipe carrying water has a cross-sectional area of 20 cm2; in this section the water has flow velocity of 1.0 m/s. Another section of this pipe has a constricted cross-sectional area of 5 cm2.

An elephant, which has a mass of 2200 kg., is moving with a velocity of 11.0 m/s across a frozen lake in Africa when itbegins to slide across the ice. The sliding elephant then collides with a massive 4000.

What is the best example of forces acting in the same direction? A boy lifting his chest off the ground doing a push up Two football players pushing a tackling sled A person pulling out of a garden hose from its reel Two dogs playing tug of war with

2. What other physical quantity might be more important to weightlifters than how much actual work they do?

A minibus drives 212 km in 2 hours 10 minutes. What is its average speed in kilometers per hour?

What is the charge of plasma? A. Positive B. Negative C. Neutral

Examine the situation. Lloyd is studying the effect of breakfast cereal on the health of rats. He suspects that the cereal may be unhealthy. He feeds rats various amounts of breakfast cereal over a six-week period.

An electron travels into a 0.5 T magnetic field perpendicular to its path, where it moves in a circular arc of diameter 0.028 m. What is the kinetic energy of the electron?