A) a proton is moving in a circular orbit of radius 13.5 cm in a uniform 0.325 t magnetic field directed perpendicular to the velocity of the proton. find the translational speed of the proton. b) if an electron moves perpendicular to the same magnetic field with this same translational speed, what is the radius of its circular orbit?

What is the relationship between the wavelength of a wave and it's energy?

Select the correct answer. anna will wear a black dress when she attends het cousin's wedding. which color(s) does the dress absorb? a. all colors b. no colors c. red and green d. white

Why is rain likely when warm, moisture-laden air meets cold air? a) the lighter warm air will rise and cool down, causing condensation and rain. b) the cold air moves faster and pushes the warm air away, causing condensation and rain. c) the moisture in the warm air condenses on contact with the cold air, causing rain to fall. d) the cold air mixes with the warm air, reducing its temperature causing moisture to condense.