4. The two quantities needed to calculate an object's momentum are
and

True or false graphs must include scales that increase by the same amount

Agroup of students were investigating the force of gravity. they began by dropping a foam ball from a height of 3 meters into a bucket of sand. the ball hit the sand in 0.306 seconds. they dropped additional balls of approximately the same diameter, but of different masses. here is the data they collected. based on this experiment and the collected data, what would their conclusion be?

How many neutrons does plutonium -196 with an atomic number of 78.