1.

by Write one sighmcant eA car travels from stop A to stop B with a speed of 30 km/h and then returns back to Awith a speed of 50 km/h. Find(aDisplacement of the car.(b) Distance travelled by the car.Average speed of the car.

Answer»

a) displacement is zerob) distance cannot be calculated without time.3). average speed is (50+30)/2 = 40 kmph

average speed of 59+30/2=40kmph displacement is zero distance cannot be calculated without time



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