Answer:
Stephen hawking if his family were scientists
Answer:
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Explanation:
Q1) What is the speed of the tip of the minute hand of a clock where the hand is of length 7cm?
Ans1) speed, v=st=2πrT=2×227×7×10-260×60=119×10-4=1.22×10-4m/s
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<em><u>Hope it helps</u></em></h2>
Answer:
8m/s
Explanation:
Average Speed = distance / time = 400/50 = 8m/s
