Name two conditions that are necessary for fusion to occur in the Sun's core.

What happen when a light from the sun passes through any type of matter

A drag car takes off at the green light in a straight line. The car from 45 m/s to a complete stop in 9 seconds. What is its acceleration? Was it positive or negative?

Yello light on a red object, the object appears what color?

What has a positive charge and is found inside the nucleus?

List as many different uses as you can for plane, convex and concave mirrors.

A baseball player is warming up and tosses a ball straight up into the air. The ball travels up until it reaches some maximum height, and then falls back down to the player/'s hand.

Volume can be measured in liters or cubic meters. a. T b. F

A spring with a spring constant of 1200 N/m has a 55-g ball at its end. The energy of the system is 5.5J. What is the amplitude of vibration?

Force F1 acts on a particle and does work W1. Force F2 acts simultaneously on the particle and does work W2. The speed of the particle does not change. Which one of the following must be true? a. W1 is zero, and W2 is positiveb. W1 = - W2c.

The amplitude of a sound is the Group of answer choices frequency of the sound. magnitude of displacement of a sound pressure wave. psychological aspect of sound related to timbre. amount of sound energy falling on a unit area.