Question

26. Which of the two sets of words should be typed in search engines to get more appropriate results? Give
reason.
a. Fastest train
b. Which train has the highest speed?
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Answer 1

Answer:

Time period has the dimensions of T since it is the time taken to complete one cycle of the swinging motion. The dimensions of acceleration due to gravity are L(T^-2) , and of length are L. Now we have time period is proportional to g^a, L^b.

Answer 2

Answer:

b. which train has the highest speed ? in India bhopal shatabdi express 150km/hr has the highest speed.