What are the colors of talc and corundum

What happens when a ray of light is directed at a mirror, a glass block and a prism?

A drag racer starts from rest and acclerates to a velocity of 30 m/s in 1 s. What is the acceleration of the racer?

Which describes what an outside observer at rest would observe about a spaceship that speeds up and approaches the speed of light? Time moves faster on the spaceship, and the length of the spaceship decreases.

Calculate the acceleration of the car for each set of conditions using the formula a = (v2 - v1) / (t2 - t1) where v2 and v1 are the first and second velocities and t1 and t2 are the average times the car took to reach the 0.25 and the 0.

If a helicopter's mass is 4,500kg and the net force on it is 18,000 N upward, what is its acceleration?

What is a result when the torques on each side of the fulcrum are equal? no motion rotate counterclockwise about the fulcrum rotate clockwise about the fulcrum iIt will teeter clockwise and counterclockwise about the fulcrum

Suppose a 58-turn coil lies in the plane of the page in a uniform magnetic field that is directed out of the page. The coil originally has an area of 0.175 m2. It is stretched to have no area in 0.100 s.

A yummy glazed doughnut is shown above. 1) where is the center of mass of this fantastic culinary delight? in the center of the hole. somewhere inside the solid part of the doughnut the center of mass is not defined in cases where mass is missing.

10. Explain the difference between the short-term effects of concussions and some of the long-term effects that scientists are recently discovering.

Like the polar bear, the walrus is a strong swimmer, although it does not have the same endurance. For short periods of time, a walrus can swim at an average speed of 9.7 m/s. How far would a walrus swim at this speed in 3.4 minutes?