Answer:
Profound implications. (Image credit: Keystone/Hulton Archive/Getty) ...
Electromagnets. Electrical transmission towers support wires that carry electricity from power plants to homes. ( ...
Global Positioning System. (Image credit: NASA) ...
Gold's yellow color. ...
Gold doesn't corrode easily. ...
Mercury is a liquid. ...
Your old TV. ...
Light
The answer is B because of the earth having the same type of gravity
It protects us by keeping ultraviolet out and make sure everything lives
Answer:
B. Forward
Explanation:
The net force in the system is initially balanced and the system is in equilibrium.
1) As John ducks, two things happens. First, there is a sudden impulse from his end which will change the momentum of the system from zero to an amount Mv proportional to the impulse Ft, which will be directed away from his direction because,
2) the process of ducking pushes his center of mass forward, which also moves the center of mass of the whole system away from him. This two effect will cause the skateboard to move forward.