a car moving in a straight line at a speed of 120 km covers in 2 hours. there after from that left side it covers 50 km in 1 hour. at that moment it's average speed and average velocity will___ and _____
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A car moving in a straight line at a speed of 120 km cover in 2hours. thet after from that left side it covers 50 km in 1 hour .at that moment it'S average speed and average velocity will 2hour and 20 mins .
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