Which has greater kinetic energy: a tennis ball that has a mass of 0.3kg travelling at 80m/s or a train that has a mass of 10000kg and is moving at 0.1m/s? tennis balltrain

if the sprinter travels at a constant velocity of 12 m/s for the last 64 m, how long will it take to reach the finish line?

if if takes a sonar 8 seconds to reach the bottom of the ocean and return and we know that the speed of sound is 1500 meters per second, how far away is the bottom of the ocean?

Glider A of mass 2.5 kg moves with speed 1.7 m/s on a horizontal rail without friction. It collides elastically with glider B of identical mass 2.5 kg, which is initially at rest.

Which best defines transparent and provides an example of a material that is transparent to light? A. the ability to absorb light; for example, the leaf of a plant B. the ability to transmit light; for example, water C.

A woman on a bicycle travels at 9 m/s relative to the ground as she passes a little boy on a tricycle going in the opposite direction.

How many lenses does a compound microscope have

What force is generated by a 10,000 kg mass accelerating at 4.3 m/s squared

A small object slides along the frictionless loop-the-loop with a diameter of 3 m. what minimum speed must it have at the top of the loop in order to remain in contact with the loop

A chemical reaction is when two elements or radicals change places with two other elements or radicals is a ... reaction A - double replacement B - combination C - decomposition D - substitution

In a physics lab, Asha is given a 10.5 kg uniform rectangular plate with edge lengths 66.3cm by 52.1cm.