The speed of an electron having a wavelength of 10-10 m (the order of magnitude of atomic spacing in crystals) is 7.27 x 106 m/s. Through what potential difference must an electron be accelerated to acquire this speed?

Can somebody explain to me how newton's 3rd law relates to momentum? ~ap physics 1

Classify each possible hypothesis about a medicinal aloe vera plant as falsifiable or non-falsifiable. aloe vera gel is the best natural skin moisturizer. aloe vera gel can heal wounds by boosting cell renewal. aloe vera juice tastes better than carrot juice. drinking aloe juice can reduce the risk of lung cancer.

Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?