An example of an atom that has no charge is one that has

A. 3 protons, 2 electrons, and 1 neutron.

B. 1 proton, 2 electrons, and 3 neutrons.

C. 2 protons, 2 electrons, and 1 neutron.

D. 3 protons, 1 electron, and 3 neutrons.

What is a sharp ridge separating two cirques

3. If you are part of a center or network, you can use program-level data to A. change the way you record and maintain information. B. identify professional development needs. C. improve the management systems to support child learning. D.

An EM wave has a speed of 3 x 10 ^ 8 m/s and a wavelength of 6 x 10 ^ - 7 m. What is the frequency of the wave? 90 Hz 180 Hz 2 x 10 ^ - 15 Hz 5 x 10 ^ 14 Hz

Two cups of the same size are filled to the brim with clear liquids. Cup A holds water. Cup B contains alcohol. Your teacher challenges you to figure out which cup holds water.

Based on the law of conservation of energy, which statement is false? O A. Energy is lost when machines don't work right. B. We can't add more energy to the universe, OC. We can't destroy energy that exists in the universe. OD.

What does the ozone layer absorb? a. Microwaves c. UV radiation b. X-rays d. Infra-red radiation

An object is undergoing shm with period 0.900 s and amplitude 0.320 m. at t = 0 the object is at x = 0.320 m and is instantaneously at rest. calculate the time it takes the object to go (a) from x = 0.320 m to x = 0.160 m and (b) from x = 0.

Your friend states in a report that the average time required to circle a 1.0-mi track was 49.325 s. This was measured by timing 10 laps using a stopwatch with a precision of 0.01 s. Do you believe his results are reliable? Explain.

The forklift exerts a 300.0 N force on the box and moves it 15.0 m into the air. How much work does the forklift do? A. 500 J B. 1.50 * 10^3 J C. 4.50 * 10^3 J D. 0.00 J

Why the room gets hot even we open the door of refrigerator?