A runner runs 480 m towards north on a straight track in 120 s and then walks back the same distance in 300 s. (Note: velocity a
nd speed are two different physical quantities)
(a) What is the average velocity for the first part of the motion?
(b) What is the average velocity for the second part (walking back) of the motion?
(c) Calculate his average velocity for the entire motion.
1 answer:
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Answer:
length
Explanation:
SI unit of volume = m^3
SI unit of area = m^2
volume unit / Area unit = m^3 / m^2
i.e, unit of length
equals 74.846
Atlantic Ocean (salt water)
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