Answer:
10-1 Temperature and Expansion. 135 ... text, the laboratory work that you do, or your physics teacher. ... Assume that the speed of sound in air is 340 m/s. How.
Explanation:
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A > Is the correct answer :)
<span>Density is entirely unrelated to an object's size. It is a property of a given</span>
Answer: c living in a camber in an under water habitat
Explanation:
Average speed is defined as the ratio of total distance covered in total given time

here we know that total distance that man moved is


so total distance is



now here total time of the motion is


total time will be given as


now by above formula


so his average speed is 30 km/h