What is the net force acting on the object (represented by the solid circle) in this diagram? 200 N to the left

300 N to the left

400 N to the right

100 N to the right

Number line with point marked right of center labeled 300 N on the left side 100 N on the right side

What happens in a global convection cell

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.

Consider a system to be two train cars traveling toward each other. what is the total momentum of the system before the train cars collide?   kg • what must the total momentum of the system be after the train cars collide?   kg •