B is correct.
Please vote my answer brainliest. thanks!
Explanation:
Contact force is any force that requires contact. An object that exerts a force on another object by touching it is exerting a contact force. Examples of contact force are friction and normal force.
Examples of a non-contact force are gravity and magnetism.
When a swimmer pushes threw water to swim they are propelled forward because of the water resistance against the hand and feet.
We know that:
W=Fs
200J=150N*s
s=200J/150N
s=1,33m
Answer:
Gamma rays have the highest energies.
Explanation:
HOPE IT WILL HELP ^_^