A 16 gram mass is moving in + x-direction at 30 cm/s, while a 4.0 gram mass is moving in the -x direction at 50 cm/s. They collided head on and stick together. Find their velocity after collision. Assume negligible friction.

co2reflects heat radiation back to earth buning coal and oil emits co2 globe warms

the force represented by vector a is normal force. if the hockey puck is moving to the right, when it is hit with a significant force by the hockey stick the puck will move off in a different direction. correct on edge.

the answer is the first electromagnet (a). this is because it has more coils around the ferromagnetic material. increasing the number of coils increases the surface area in which the metal interacts with the current in the coil. this enables more atoms in the metal to become aligned hence becoming more magnetized.

helium

oxygen

neon

sodium