Humpty Dumpty (12 kg) sat on a wall (2 m high). What was his potential energy, before his great fall?

A. 235.2 J B. 235.2 N C. 24 J D. 246.1 W

Why do you think the side of the UV detector card that was facing the foil detected more ultraviolet light? Explain.

Use the data provided to calculate the amount of heat generated for each cylinder height.

A sound wave with a frequency of 300 hertz is traveling through a medium at a speed of 320 meters/second. What is its wavelength?

Thermal energy will flow from the

A boat with speed of 1.20 km/h relative to the water is heading for a dock 2.29km downstream. If the river speed is 0.384 km/h, how many minutes will it take to reach the dock?

If a train is slowing down, it is accleration? better word for isn't

The limestone cave was formed by the action of underground ...; ... A) earthquakes B) faulting. C) organisms. D) water.

What acceleration does a 9 N force produce in a 3 kg object? Make sure to show your work. (The 4 steps)

What type of mixture is Skittles candy?

What is the relationship between a planet's position in the solar system and the length of that planet's year?