Answer: TENSION and WEIGHT
Explanation:
Force experienced by the spring is called TENSION while the WEIGHT is the gravitational pull on the body towards the earth surface. Therefore the forces acting on the cart are TENSION and WEIGHT(weight acts downwards (along negative y-axis) while the TENSION upward(along positive y-axis).
D)sound waves the electromagnetic spectrum has to do with colors<span />
They are almost the same temperature!!
They point towards a negative charge.
They point away from a positive charge.
They never cross.
no. energy is not created or destroyed, just transformed.
a hot light source is less efficient than a cold one ... heat is not light ...