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Solved: A ball starts from rest and rolls down a hill with
Chapter 2, Problem 69P(choose chapter or problem)
QUESTION:
Problem 69P
A ball starts from rest and rolls down a hill with uniform acceleration, traveling 150 m during the second 5.0 s of its motion. How far did it roll during the first 5.0 s of motion?
Questions & Answers
QUESTION:
Problem 69P
A ball starts from rest and rolls down a hill with uniform acceleration, traveling 150 m during the second 5.0 s of its motion. How far did it roll during the first 5.0 s of motion?
ANSWER:
Solution 69P
STEP 1:
The ball rolled with uniform acceleration “a”.
Let’s consider its motion for the 1st 10 seconds only.
In the 2nd 5 seconds it covered 150 meters.
After the 1st 5 seconds, the velocity of the ball will be,
------------------(1)