Assume the roller coaster h1 34 m h2 10 m h3 20 passes, Ask an Expert

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Q. Suppose the roller coaster (h1 = 34 m, h2 = 10 m, h3 = 20) passes point A with a speed of 2.00 m/s. If the average force of friction is equal to one sixth of its weight, with what speed will it reach point B? The distance traveled is 45.0 m

Q. A 200-g block is attached to a horizontal spring and executes simple harmonic motion with a period of 0.250 s. If the total energy of the system is 2.00 J, find

(a) The force constant of the spring and

(b) The amplitude of the motion

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Category:- Physics
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