Question

In the given roller coaster, the car is at rest at P and posses maximum Potential Energy of 5000 J

a. What will be its Kinetic Energy at Q?
b. When the Potential Energy at R is 2400 J, what will be its Kinetic Energy at R
c. At S, when Kinetic Energy is 3200 J, what will be the Potential energy at S?
d. What is the total ME at P, Q, R and S?

*Please Answer Fast*
Only correct answer will get the marks
So, please answer me
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Answer 1

Answer:

324/5 = (321/5)4. Now we can evaluate 321/5.. This is the fifth root of 32, which equals 2. (25 = 32) .

Answer 2

$\mathsf{Your\ answer\ is\ in\ the\ attachment.}$

$1.5 \: \: kj$