Suppose a train car moving down a track at 10 m/s collides with another train car that is moving. Explain how momentum is conserved after the collision.

Barry is conducting an experiment and rolls a tennis ball down a ramp. Which best describes the motion of the tennis ball? It does not exhibit projectile motion and follows a straight path down the ramp.

Roughly how many degrees of latitude does the United States cover? Choices are A. 10 degrees B. 15 degrees C. 20 degrees D. 25 degrees

How do you solve for initial velocity?

One parent is heterozygous dominant for dimples and the other parent is homozygous recessive. use the letter H and what is the percentage for dimples and no dimples?

What is 9 - (-9) = in the form of a whole #?

If a ball is dropped from rest from an elevated position at the same instant that a second ball is launched horizontally (from the same height), then which ball will hit the ground first? Assume the balls behave as projectiles

What are 5 Non-Examples of Density

With the switch closed, how does the voltage across the 20-ω resistor compare to the voltage across the 10-ω resistor?

A 5.90-g lead bullet traveling at 410 m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is transmitted to the tree, what is the increase in

How do you scientists determine the number of neutrons in an isotope of an atom?