On a 95 meter high cliff, a cannon fires a cannonball with an initial speed of 150 m/s at an angle of 37° to the horizontal. The ball passes through its maximum height at point A, point B which is at the same height as the cannon, and strikes the ground at point C. Determine the amount of time that the cannonball is a projectile.

What horizontal distance does the cannonball travel before striking the ground?

Which one of the following research methods can show cause and effect

Light traveling in a medium with a refractive index 1.19 is incident on a plate of another medium with index of refraction 1.79. at what angle of incidence is the reflected light fully polarized?

Consider a uniformly charged ring in the xy plane, centered at the origin. the ring has radius a and positive charge qdistributed evenly along its circumference. a)what is the direction of the electric field at any point on the z axis? . b)what is the magnitude of the electric field along the positive z axis? use k in your answer, where k=14πϵ0. d)the ball will oscillate along the z axis between z=d and z=−d in simple harmonic motion. what will be the angular frequency ω of these oscillations? use the approximation d≪a to simplify your calculation; that is, assume that d2+a2≈a2. express your answer in terms of given charges, dimensions, and constants