A 75kg man and a 100 kg woman are playing tug of war on a frictionless surface. The man accelerates toward the woman at 2.0m/s^2. Complete each
of the following 2 activites for question 9.

Awheelhas a radius of 4.8 m. howfar (path length) does a point on the circumference travel if thewheel is rotated through angles of 30°, 30 rad, and 30 rev,respectively?

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?

Which accurately compares concave and convex lenses?