What is true about the direction of the force of friction?

What is the prefix for ecosystem and what does the prefix mean

One bowling ball roll into an other bowling ball that is not moving the bowling ball bounces aft each other what must be true about this collision

If a substance maintains its shape when it is placed into a different container, which state of matter is it in? A. Liquid B. Gas C. Plasma D. Solid

A soccer player runs with a speed of 4.6m/s how long does it take him to run 60m

Which best defines scientific question?

Object A and B are 10m apart. Which of the following will cause the greatest increase in gravitational force between the objects? A. Increase the mass of object A. B. Increase the mass of object B. C. Increase the distance between objects A and B. D.

A large balloon is initially filled to a volume of 1.96 l at 318.44 k and a pressure of 2.89 atm. what volume of gas will the balloon contain at 1.77 atm and 336.33 k?

What would scorch marks on fabric near bullet wound indicate?

The heat added to a thermodynamic system minus the work done is equal to which of the following? A. the heat lost from the system B. the internal energy C. the total heat added to the system D. the Carnot efficiency of the system E.

How many kilometers are in 14,000 centimeters