An object travels 40 m in 5 sec and then another 80 m in 5 sec.What is the average speed of the object ?
1 point
6 m/s
12 m/s
2 m/s
0 m/s
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Answer: The average speed = total distance covered / total time = (20+20)/(4+10) = 40 m/14 ... Average speed = (speed in 1st interval + speed in 2nd interval) ÷ 2. We know that ,. Speed = distance/time. Speed of object in 1st interval = 20/4 = 5 m/s ... of 12 km/h and the next 1/3 with a speed of 20 km/h and the total time is 30 m, what ...
Explanation:
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