Proton and neutrons is the answer
45N
The normal is perpendicular to the forces that go up or down the slope. The downward force is just the weight .
When a pendulum is not in the center of gravity in equailrbliaum there is mechanical energy, potential energy is if a rock is cut from the string it will fall
Answer:
h = 65.021 m
Explanation:
Given that,
Initial velocity of a baseball, u = 17 m/s
It lands 2.3 seconds later.
We need to find the height of the building. Let it is h. It can be calculated using second equation of motion as follows :
here, a = g
So, the building is 65.021 m tall.