1. A charge of 0.00005 C is placed 0.50 m away from a second charge of -0.000007 C.
a. Do the two charges attract or repel?
b. What is the force between them?

Which of the following is not a part of a wave? question 2 options: a: frequency b: refraction c: wavelength d: amplitude (whoever answers correctly first gets brainiest! ) ~kayla

Acatapult is tested by roman legionnaires. they tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): range = 0.4 km; angle of launch = π/5 rad; landing height = launch height. what is the initial velocity of launch of the boulders if air resistance is negligible?

Protons and neutrons are found within the nucleus of an atom