Which is not a formula for a diatomic molecule

Static, sliding and rolling are types of friction. When the only force acting on a falling object is gravity, the object is said to be a. stationary. b. decelerating. c. in free fall. d. a projectile.

The ultraviolet light that causes suntans (and sunburns!) has a typical wavelength of 300 nm. what is the frequency of these rays?

What is the speed of light and sound? Which one is faster?

This is the phase of matter with fixed shape and volume.

Which of the following is NOT a type of electromagnetic wave? Seismic waves Visible light Radio waves Microwave

You are asked to burn a gas using a Bunsen burner in order to boil water. Which f he following has no mass? A. Gas. B. Heat. C. Water. D. Water Vapor.

A toy rocket is fired vertically into the air from the ground at an initial velocity of 80 feet per second. Find the time it will take for the rocket to return to ground level

A block sliding along a horizontal frictionless surface with speed v collides with a spring and compresses it by 2.0 cm. What will be the compression if the same block collides with the spring at a speed of 2v?

1. It takes a 25 N force to push a 250 N box across the floor. a. How much work is done against friction when the box is moved 2 m across the floor? b. How much work is done against gravity when the box is lifted 2 m above the floor?

A 0.5 kg ball is thrown horizontally towards a wall with a speed of 10 m/s. The initial velocity is chosen to be the positive x - direction for this question.