The state of matter that has particles that slide by one another

Why do solids have a definite shape and a definite volume?

What is hard water and what is soft water

What type of wave is made by earth quakes

A 1200 kg car is moving at 5.0 m/s east. it strikes an 1800 kg car at rest. the cars have an elastic collision and move in the east or west direction. the velocity of the 1200 kg car after the collision is:

If there are 50 grams of U-238 on day zero of radioactive decay, how much will there be after 4.5 billion years

A 100 kg train traveling at 20 m/s crashes into a stationary 400 kg car. After the collision the car and the train are stuck together. What is their velocity.

How your weight would change with time if you were on a space ship traveling away from, earth toward the moon

A heavy planet and a light planet are found to have the same momentum. What do we know about their speed? A. The light object is slower B. The heavy object is slower C. They have the same speed

Solar cells are used to a. photograph sunspots. b. convert sunlight into electricity. c. convert sunlight and carbon dioxide into sugars. d. convert electricity into solar energy.

What scientific evidence supports the Big Bang theory? Universe expansion Redshift Composition of the universe All of the above None of the above