A pupil wants to find the density of an oil. She uses a chemical balance which measures to the nearest gram (g). She places an e
1 answer:
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Unit conversion is a way of converting some common units into another without changing their real value. The average speed of the migrating loon flies is 45.5019 miles/hr.
<h3>What is Unit conversion?</h3>Unit conversion is a way of converting some common units into another without changing their real value. for, example, 1 centimeter is equal to 10 mm, though the real measurement is still the same the units and numerical values have been changed.
Given that migrating loon flies at an average speed of 19 m/s. Now, since 1 meter is equal to (1/1609.34) miles and 1 second is equal to (1/3600) seconds. Therefore, we can write the speed as,
= 19 × (3600/1609.34) miles/hr
= 42.5019 miles/ hr
Hence, the average speed of the migrating loon flies is 45.5019 miles/hr.
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Answer:
The phase difference between waves 31.7 rad
Explanation:
Given :
Wavelength m
Separation between two slit m
Angle 25°
From the formula of phase difference,
Where phase difference
rad
Therefore, the phase difference between waves 31.7 rad