In which of these three situations is the object accelerating?

1. A trash truck takes off from the curb.

2. A book rests on a shelf.

3. An airplane banks to circle around the airport.

A. 1

B. 2

C. Both 1 and 3

D. 1, 2, and 3

Radio telescopes detect waves with a wavelength of roughly 10 m. True False

A 36,287 kg truck has a momentum of 907,175 kg • m/s. What is the trucks velocity.

Which layer of the atmosphere has the air we breathe?

How far will a ball travel that goes 35 meters per second for 18 seconds?

An atom has a negative charge which if the following must have occurred

How do whales bats and dolphins use echolocation? A To scare away predators B To attract mates C To orient them selves and find food D To tell animals of there species where they are

How much force would be needed to move a car with the mass of 100kg to an acceleration of 5m/s/s?

A pendulum bob is made from a sphere filled with water. What would happen to the frequency of vibration of this pendulum if the sphere had a hole in it that allowed the water to leak out slowly?

Elias serves a volleyball at a velocity of 16 m/s. The mass of the volleyball is 0.27 kg. What is the height of the volleyball above the gym floor when its total mechanical energy is 41.70 J? Round to the nearest number.

Which of the following is the best description of a graph? A. Equations that can be plotted B. A representation of an equation C. Independent and dependent variables D. x and y lines