A 100 kg cart is moving at 3 m/s. Calculate the cart’s kinetic energy.

How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.

Awalk up the phase change graph worksheet

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f