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A car moves a distance of 200 m. It covers the first half of the distance at speed 40 km/h and second half of the distance at speed v. The average speed is 48 km/h. The value of v isa) 56 km/hb) 60 km/hc) 50 km/hd) 58 km/h |
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Answer» A car moves a distance of 200 m. It covers the first half of the distance at speed 40 km/h and second half of the distance at speed v. The average speed is 48 km/h. The value of v is a) 56 km/h b) 60 km/h c) 50 km/h d) 58 km/h |
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