why is a person who lives in the city able to sleep through the sounds of traffic but awaken to the soft sound of a bird singing?

A baseball flying through the air has kinetic energy because of its motion. true or false?

There are two blocks: one large one initially at rest, and a smaller one, initially moving to the right withsome speed. The small block is 25 kg, and the large block is 50 kg. The blocks are to the left of a hill. The hill is 10 meters tall.

if an object is moving at a constant speed, the forces acting on it must be __. Another way to say this is net force = __.

the goat weighs 900 N and is 1 meter from the fulcrum. The strongman pulls down on the lever 3 meters from the fulcrum. What is the smallest effort that the strongman can use to lift the goat.

What is the degree of overall satisfication a person gets from life called?

A falling back in mid air has what

What objects are often arranged by their properties

Which nuclei is not radioactive? A. Am-241 B. Mg-24 C. Pu-241 D. U-238

What is the method of charging used when you run a straw with fur

A man runs at a velocity of 6.2 m/s for 11.5 minutes. When going up and increasingly steep hill, he slows down at a constant rate of 0.25 m/s^2 and comes to a stop. How far did he run?