In what scenario might a red ball appear black?

What is the kinetic energy of a 0.50 g insect traveling in a straight line at 5.0m/s? a) 6.25J b) 1.25J

Alex is standing still and throws a football with a speed of 10 m/s to his friend, who is also standing still. The two friends are standing 5 meters apart. Which describes how each person observes the speed of the football?

What are two things that characterize a biome

How will the motion of the red marble placed at the edge of the flat sheet and given an initial velocity in the direction of the arrow compare with its motion on the curved sheet with a large mass in its center?

A man walks 600 m [E47°N], then 500 m [N38°W], then 300 m [W29°S], and finally 400 m [S13°E]. Find his resultant displacement.

Why is a ehephent so big is it just big or are we so small?

Which of the following traits might be considered an adaptation fora rabbit living in the Arctic?

What is Newtons 2nd law of motion?

A truck is using a hook to tow a car whose mass is one quarter that of the truck. If the force exerted by the truck on the car is 6000 N, then the force exerted by the car on the truck isa. 1500 Nb, 24000 Nc, 6000 Nd, 12000 N

A car traveling at a speed of v can brake to an emergency stop in a distance x. assuming all other driving conditions are all similar, if the traveling speed of the car doubles, the stopping distance will be