If 0.20 kg of iron at 100 C is added to 1.00 kg of water at 20.0 C what is the final temperature of the system

4. How far does a car travel in 90 seconds if it is traveling at a speed of 55 m/s?

What happens when two atoms collide?

On a cold day, the speed of sound in air is 330 m/s. A note with a frequency of 1,320 Hz is played on an instrument. What is the wavelength of that sound wave? 0.25 m 4 m 1,650 m 435,600 m

How does an antenna's receiving circuit select electromagnetic radio waves of a certain frequency and reject all others?

If your at the mall with your friends and they shoplift what would you do

A cylindrical rod 120 mm long and having a diameter of 15.0 mm is to be deformed using a tensile load of 35,000 N. It must not experience either plastic deformation or a diameter reduction of more than 1.2 * 10-2 mm.

Which part of your ear sends the message to your brain that you've heard a sound? A. The outermost part of your ear B. Vibrating eardrum C. The hammer, anvil, and stirrup located in your middle ear D. The hairlike structures in the cochlea

Consider the example data provided to complete the sentences. After colliding, G1 + G2 travels in a (n) direction as G1 travels before the collision, but at about the magnitude in velocity.

Which type of change results in a new substance being produced? 1) chemical 2) mass 3) physical 4) change of state

At the negative terminal of the battery the electron has electric potential energy. What happens to this energy as the electron jumps from the negative to the positive terminal?