Answer:

Explanation:
The normal force exerted on the car by the walls of the cylinder at the bottom of the vertical circle will be such that when substracted to the weight it must give the centripetal force, since at that point on the vertical 
We also know that the equation for the centripetal force is:

Mixing both equations we get:


Which for our values means:

Explanation:
using the first eqn for motion
The molecules of the perfume diffuse through the room at a certain critical concentration and later are detected by our noses.
Answer: 3kg: 14.7 6kg: 29.4 9kg: 44.1
Explanation: just did it on Edge
<span>its hard to turn cooked pancakes back into batter</span>