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4. Find average speed if an man travels at speed of 24 kmph up and 36 kmph down at an altitude of 200m? a) 28.8 mph b) 27.8 mph c) 27.5 mph d) 30 mph
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- In such cases,
average speed = 2*24*36/(24+36) = 2*24*36/60 = 144/5 kmph = 28.8 kmph .. option a - 12 years agoHelpfull: Yes(3) No(3)
- avg speed=2XY/X+y;
2*24*36/60;
1728/60;
28.8mph. - 12 years agoHelpfull: Yes(2) No(3)
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