During an athletic meet of a school, five students namely Ram, Sham, Atul, Anil & Ajay took part in 200 meters race. Ram & Anil are fast friends. Anil is a good sportsman & he won the first position in 200 m race every year. The race started & all of sudden, sham changed his track & obstruct Anil. As a result, Anil fell down & could not complete the race. Ram completed the race in 25 sec.& Sham completed in 28 sec. However, Anil lodged his protest with the teacher in charge to cancel the event as Sham played a foul. Answer the following questions based on the above paragraph.
(a) Find the speed of Ram. *
(b) State about the nature of motion during the race. *
(c) Write down the S.I. unit of speed. *
(d) Find out the difference in speed between Ram & Sham. *
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Explanation:
the meniscus of a liquid in a capillary tube is a concave if fc is the force of cohesion and the fa is the force of adhesion between molecule of the liquid then
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