Is our cosmic horizon the same as that of being in another galaxy?

What is the tendency of a material to oppose the flow of charge? voltage resistance potential difference current

When cars are equipped with flexible bumpers, they will bounce off each other during low-speed collisions, thus causing less damage. In one such accident, a 1750kg car traveling to the right at 1.

What are 3d glasses made of? a) two filters with vertical polarization b) two filters with horizontal polarization c) two filters with polarization axes that differ by 45 d) two filters with polarization axes that differ by 90

26. The equation E=hf describes the energy of each photon in a beam of light. If Planck's constant, h, were larger, would photons of light of the same frequency be more energetic or less energetic.

What negatively charged particle was discovered through the study of cathode rays?

Which theory was first proposed by Albert Einstein? A. the theory of special relativity B. the theory of universal gravitation C. the theory of inertia D. the theory of radioactivity ... the answer is A i just found out

For each of the following, describe the relationship as directly or inversely proportional: a) wavelength vs. frequency b) wavelength vs. energy c) frequency vs. energy ... ?

Can hand sanitizer be used as rubbing alcohol

Two objects experience a 12 N electrical force between them. What force will the objects experience if the distance between them is doubled?

a submarine moving directly upward in the water at constant speed. The weight of the summer and it is 500,000 N. The submarines motors are off. The magnitude of the buoyant force acting on the submarine is