An object travels 100 m at the speed of 10m/s and another 100 m at the speed of 20m/s. 3 Calculate the average speed and velocity of the object.
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Explanation:
time for first 0.1km =
t1 = ( 0.1*10^3 )/10 = 10 sec
time for next 0.1km =
t2 = (0.1*10^3)/20 = 5sec
total time = 10+5 = 15 seconds
total distance = 0.1+0.1= 0.2 km
average speed = (0.2 *1000)/15
= 200/15 = 13.3 m/sec
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