Doli drives her car on a straight highway at uniform rate of 40 kilometre are for 2 hours and then at uniform rate of 70 km per hour for 1 hour calculate average speed for the entire journey
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Answered by
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The average speed for the entire journey is 50 km per hour.
haribol1234p9zix3:
no it isn't the right ans. because
Sorry.. It is 50 km per hour., typo
sorry
Answered by
1
50 Km per hour is average speed ok, please mark me in brainleast
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