Rounded to the nearest whole number, how many protons are in an atom of krypton?

A 36

B 48

C 84

D 120

Why can protons not be rubbed off one material and transferred to the other?

One attometer to nanometer

18 Newton's lifted 5 meters? How much is in joules?

An electric heater uses 3 / 5 watts of power each hour. How many watts of power will the heater use in 1 / 2 hour? a. 3/10 b. 11/10 c. 3/5 d. 11/5

Which term describes the increase in a material's volume due to an increase in temperature?

How does the tilt of Earth's axis affect how the sun's rays strike Earth?

A stone is tied to s string and whirled around in a circle at constant speed. Is the string more likely to break when the circle is horizontal or when it is vertical? Account for your answer, assuming the constant speed is the same.

Two blocks, stacked one on top of the other, slide on a frictionless horizontal surface. The surface between the two blocks is rough, however, with a coefficient of static friction equal to 0.50. The top block has a mass of 2.

Process by which water vapor changes to a liquid Evaporation Condensation Convection radiation

Part A Find the energy U0 stored in the capacitor. Express your answer in terms of A, d, V, and ϵ0. Remember to enter ϵ0 as epsilon_0.