B is correct. Ever wondered why ice floats in water?
The frequency will not change
The wall exerts a force of equal magnitude but in the opposite direction. So the force by the wall is 10 N to the right.
Answer:
2N
Explanation:
subtract rthe two forces to see which is greater
4-2=2
Velocity is the rate of change of position with respect to time, whereas acceleration is the rate of change of velocity. Both are vector quantities (and so also have a specified direction), but the units of velocity are meters per second while the units of acceleration are meters per second squared.
