A ball rolls along the floor with a constant velocity of 6m/s. How far will it go in 10 sec?
1 answer:
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Explanation:
In order to compute correctly the sum of the two terms, we have to rewrite one of them such that they have the same exponent.
The two terms are:
For instance, we can re-write the second term such as it also has a power . In order to do that, we have to move the decimal point one place to the left, therefore:
At this point, the two numbers have the same exponent, so we can just add them together by adding the bases and keeping the same exponent, -2:
Answer: 3.13 m
Explanation:
Given
mas of the ball is m=10 kg
The ball rolls down a vertical distance of 5 m
Spring constant of spring is
Here, the potential energy of the ball converted into kinetic energy which in turn converts into elastic potential energy
Thus, the spring compresses by 3.13 m.