Which of the following values represents an index of refraction of an actual material

The motion of an orbiting satellite can be described by the same motion characteristic of any object in uniform circular motion. The centripetal force acting toward the center of the circle, in this case, is supplied by

Is there like an actual definition for momentum?

What is one similarity and one difference between infrasound and ultrasound?

A pelican dives downward from a height of 35 m with an acceleration of 9.8 m/s² to grab a sardine at the surface of the ocean. How long does the dive take? OA) 0.75 s OB) 1.9 s OC) 2.7 s OD 7.1 s

Julia is in a car with her father. The car is undergoing centripetal acceleration. What is happening to the car? a. The car is changing direction at a constant speed. b. The car is changing direction and speeding up. c. The car is stopping suddenly.

A father racing his son has 1/3 the kinetic energy of the son, who has 1/2 the mass of the father. The father speeds up by 1.4 m/s and then has the same kinetic energy as the son. What are the original speeds of (a) the father and (b) the son

An element cannot be dived into smaller parts

A pelican dives downward from a height of 35 m with an acceleration of 9.8 m/s² to grab a sardine at the surface of the ocean. How long does the dive take? OA) 0.75 s OB) 1.9 s OC) 2.7 s OD 7.1 s

Explain with the stars look like to Jane. Explain what the stars look like to John. Explain why the stars look different between Jean and John.

Why is the statement "we evoleved from monkeys" false?