Question

A car travels 30 mi/hr for 10 minutes. It then goes 40 mi/hr for the next 10 minutes. Finally, it travels for the last 10 minutes at 50 mi/hr. 

          A car travels 30 mi/hr for 10 minutes. It then goes 40 mi/hr for the next 10 minutes. Finally, it travels for the last 10 minutes at 50 mi/hr.

Added by Kelly H.

Calculus: Early Transcendentals
Calculus: Early Transcendentals
James Stewart 8th Edition
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A car travels 30 mi/hr for 10 minutes. It then goes 40 mi/hr for the next 10 minutes. Finally, it travels for the last 10 minutes at 50 mi/hr.
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Transcript

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00:01 Hi everyone, in this particular question, we have to find the average speed.
00:11 So, for the first distance is given, which is 30 kilometer at a speed.
00:29 Speed one is also 30 kilometer per hour.
00:34 So time, t1 is equal to 30 upon 30, which is equal to 1 hour.
00:41 So time first is 1 hour...
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