Answer:
the coordination number of silicon is two.
Because the distance that each object moves is in inverse proportion to their masses. That means the earth moves such a little tiny tiny tiny bit that you can't see it. but you're right. It's important to understand that when you drop a ball the ball and the earth both move toward each other.
Answer:
F = 17.3 kN
Explanation:
The normal force must support the weight of the car plus provide for the needed centripetal acceleration.
F = m(g + v²/R ) = 1000(9.8 + 15²/30) = 17,300
