N Rutherford's gold foil experiment the alpha particles pass through which part of the atom?

A. the nucleus

B. the proton shield

C. the electron cloud

D. the valence electron shell

What is 1 lb to 4.45 N (newtons) ?

The force between to objects of charge + Q and - 2 Q, respectively, is measured as - 2F. If the charge on the first object is doubled and the distance between the objects is doubled, what will the force between the objects become?

Use mass in a sentence

What force allows an object to move at a constant rate?

If a person is in front of a smooth surface from which a sound is reflected, the person would hear a sound that a. seems to come from behind the surface. b. has a higher intensity than the sound produced by the source. c.

Do you think an observer on another planet in the solar system might see eclipses

A. A vector is any element of a vector space. Is this statement true or false? A. True by the definition of a vector space B. False; not all vectors are elements of a vector space. C. False; a vector space is any element of a vector.

19 Which gas is the most abundant greenhouse gas? A. ozone B. chlorofluorocarbon C. carbon dioxide OD. methane E. water vapor Reset Next

The plates of a parallel-plate capacitor are maintained with a constant voltage by a battery as they are pushed together, without touching. How is the amount of charge on the plates affected during this process? a.

Which of the following creates a longitudinal wave? A. striking a gong B. turning on a flashlight C. shaking a rope up and down D. dropping a stone into a pond