A 25kg ball is thrown into the air. When thrown it is going 10 m/s. Calculate how high it travels.

How many neutrons does element x have if it’s stormy umber is 33 and it’s mass number is 95?

Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?

Find the magnetic field a distance r from the center of a long wire that has radius a and carries a uniform current per unit area j in the positive z direction.