Describe an example where materials are prepared as fluids so that they can be moved easily
1 answer:
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Answer:
(a) see attachment below
(b) see attachment below
(c) the average velocity in part (a) is a better estimate than that in part (b) because it was calculated for a shorter time interval compared to part (b). The basically definition of instantaneous velocity is that it is the limit of the average velocity as the time interview approaches zero (that is as the time interview becomes smaller and smaller). In other words the shorter the time interview the better the accuracy of the result.
(d) see attachment below.
Explanation:
Check the attachment below for the full solution of this problems.
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Answer:
Explanation:
Speed of light,c, is given as the product of wavelength and frequency:
c = λf
Where λ = wavelength of light
f = frequency of light
To get frequency, we make frequency the subject of formula:
f = c/λ
The frequency of the light is