Gamma rays are high-frequency EM waves and radio waves are low-frequency. Which characteristics are the same for both waves?

Small fragments of orbiting bodies that have fallen on Earth's surface are known as A. uranium. B. meteorites. C. zirconium. D. asteroids.

What was J. J Thompson working on when we discovered the electron?

Which of the following is a direction you would find in a vector? A) hours B) degrees C) clockwise D) kilometers

Car A travels from New York to Miami at a speed of 25 m/s. Car B travels from New York to Chicago, also at a speed of 25 m/s. Are the velocities of the cars equal? Explain.

The pressure in a closed container of gas is caused by the _ between the particles of the gas and the walls of the container.

Two copper wires with different diameters are joined end to end. If a current flows in the wire combination, what happens to electrons when they move from the larger-diameter wire into the smaller-diameter wire?

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.