Car crosses the first third of the road with unknown speed and the rest of the road with the speed of 50 km/h. What is the the s
1 answer:
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Answer:
0.25miles/min
Explanation:
Instantaneous speed of a person or an object is its speed at a particular moment usually at a period of time.
The speedometer of a car reports the instantaneous speed.
It can be mathematically expressed as;
Instantaneous speed =
At 20min the distance covered is 5miles;
Instantaneous speed = = 0.25miles/min