You are pulling an object up 1 m with a 5 m ramp. You pull with 20 N of force. How much does the object weigh (Newtons)? What is the mass (Kg)?

What would be the result of an alpha particle coming into a magnetic field? a) the alpha particle will stop moving. b) the alpha particle will reverse its direction. c) the alpha particle will be deflected in a curve path. d) the alpha particle will continue to travel in a straight line.

Matter is needed to transfer thermal energy bya. conductionb. convectionc. radiation d. both a & b.

This is the number of complete movements of a wave per second.