What do tire treads, rubber mats, automobile breaks, and tennis shoes have in common.

-They reduce friction

-they are lubricants

-they increase friction

-the reduce static electricity

a 20000kg railroad car is rolling 6.00m/s when 7000kg olaf id gravel is suddenly dropped in. What's the cars speed after gravel is loaded?

If you are measuring how far a ball traveled in an experiment which example below could be an appropriate measurement? 20 liters 20 grams 20 meters 20 degrees Celsius

A sports medicine doctor is not a real doctor. True or false If a coaching career is your ultimate goal, a good place to begin would b a high school physical education teacher and high school coach True or False You can become a professional in the

A constant eastward horizontal force of 70. newtons is applied to a 20.-kilogram crate moving toward the east on a level floor. If the frictional force on the crate has a magnitude of 10. newtons, what is the magnitude of the crate's acceleration?

Explain acceleration as it relates to a baseball being thrown through the air.

How should science advance?

Which property will tell you how much energy is in a wave A wavelength B amplitude C frequency D speed

What do tire treads, rubber mats, automobile breaks, and tennis shoes have in common. -They reduce friction -they are lubricants -they increase friction -the reduce static electricity

A car has a mass of 975kg. by pushing on the car Evan increase its speed from 0.5 m/s to 3 m/s. what impulse did evan apply to the car

Why do objects of different matter not obtain the same temperature after thermal equilibrium? example copper and aluminum