WHICH ROLLER COASTER CART HAS THE LEAST POTENTIAL ENERGY DUE TO GRAVITY?
1 answer:
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If the runner ends where she started, then her total displacement is , which means her average velocity will be
The total distance she traversed, however, was , which gives her an average speed of
Answer:
The unknown force will be 18.116 lb.
Explanation:
Given that,
Three forces act on a flange as shown in figure.
The net force acting on the flange is a minimum.
We need to calculate the unknown force
Using formula of net force
Put the value into the formula
The magnitude of net force,
On differentiating w.r.to F
Negative sign shows the direction of force which is downward.
Hence, The unknown force will be 18.116 lb.