According to Newton's first law, an object in motion will stay in motion unless:

About 800 billion years ago there was series of ice ages, why?

What are the three most abundant gases in the dry atmosphere?

An object is moving along a straight line, and the uncertainty in its position is 3.70 m. (a) find the minimum uncertainty in the momentum of the object.

A soda bottle is flexible enough that the volume of the bottle can change even without opening it. If you have an empty soda bottle (volume of 2.0 L) at room temperature (25 0C), what will the new volume be if you put it in your freezer (-4.0 0C) ?

You pull your little sister across a flat snowy field on a sled. Your sister plus the sled have a mass of 22 kg. The rope is at an angle of 40 degrees to the ground. As you pull with a force of 31 N, the sled travels a distance of 53 m.

After skiding down a snow-covered hill on an inner tube, Ashley is coasting across a level snowfield at a constant velocity of 2.0 m/s. Miranda runs after her at a velocity of 4.9 m/s and hops on the inner tube.

Betsy was stirring a pot of hot soup with a large, metal spoon. The phone rang, so she left the spoon in the soup to go answer it. When she came back, the spoon felt very hot. Question: Explain why the metal spoon felt hot.

Why most of the heavenly bodies are spherical in shape?

The speed of all electromagnetic waves in empty space is 3.00 * 108 m/s. what is the wavelength of radio waves emitted at 83.6 mhz? answer in units of m.

The sides of a square increase in length at a rate of 3 m/sec. a. At what rate is the area of the square changing when the sides are 14 m long? b. At what rate is the area of the square changing when the sides are 25 m long?