Find the momentum of a ball moving at a velocity of 6.5 m/s if the mass of the ball is 125 kg

Unpolarized light of intensity so passes through two sheets of polarizing material whose transmission axes make an angle of 60∘ with each other as shown in the figure. what is the intensity of the transmitted beam, st?

J. j. thomson’s experiment disproved the theory that an atom

If an electric circuit is not grounded it is best to reach out and touch it to provide the ground a.true or b.false