You throw a stone vertically upward with an initial speed of 6.4 m/s from a third-story office window.

A) Find the speed of the stone just before it hits the ground.

Hint: the time is 2.3 s

If the fundamental frequency of a piece of conduit is 707 Hz, and the speed of sound is 343 m/s, determine the length of the piece of conduit (in m) for each of the following cases.

You apply the same amount of heat to five grams of water and five grams of aluminum the temperature of the aluminum increases more than the temp of the water what can you conculde

What is the mass of a person that weighs 500 Newton's?

A wave has a frequency of 450 Hz and a wave length of 00.52 m what is the speed of the wave?

2. What are your chances of survival if you are struck by lightning?

4. An electric toaster is rated at 500 watts. Determine the amount of electrical energy it converts to heat energy in one minute. 80.3 J B) 500 J C) 3,000 J D) 30,000 J

A (n) ? is the connection between the grounded circuit conductor and the supply-side bonding jumper or the equipment grounding conductor, or both, at a separately derived system.

Radioactivity is a tendency for an element or a material to

14. Three identical light bulbs are connected in series, then are disconnected and arranged in parallel. For each of the scenarios below indicate what changes (if any) take place (1 pt. ea.): a. Total resistance of the circuit b.

An electron moves with a speed of 5.0 * 104 m/s perpendicular to a uniform magnetic field of magnitude 0.20 T. What is the magnitude of the magnetic force on the electron? (e = 1.60 * 10-19 C)