A ball of mass 3 kg is moving to the right with a velocity of 4 m/s when it strikes an 8 kg green block
also moving to the right at 2 m/s and stuck together.
Calculate the velocity of the ball and the block
together.

Agalvanometer has an internal resistance of 100 ω and deflects full-scale at 2.00 ma. what size resistor should be added to the galvanometer to convert it to a milliammeter capable of reading up to 4.00 ma, and how should this resistor be connected to the galvanometer?

Which is not one of the major climate zones? question 3 options: rain forest polar tropical temperate

The speed of light in a material is 0.50 c. what is the critical angle of a light ray at the interface between the material and a vacuum?