Question:
( 19 of 10 ) By running at a speed of 41 km/h how much distance a cyclist will cover in 6 second?
(A) 1265
(B) 632.5
(C) 1264
(D) 1266
You selected
34.17 meter
Correct Answer
68.34 meter
Solution And Explanation
Solution
Given,
Speed = 41 km/h
Time = 6 second
Thus, distance = ?
Here the speed is given in the kilometer per hour while the time is in the second. So, for the ease of calculation, the speed should be converted into meter per second.
Conversion of the speed from kilometer per hour to meter per second
To convert kilometer per hour, the speed is multiplied by 5/18
Therefore, 41 km/h = 41 × 5/18 m/s
= 41 × 5/18 m/s
= 205/18 = 11.39 m/s
Thus, speed = 11.39 m/s
Calculation of distance using formula
Formula to calculate distance when speed and time are given
Distance = Speed × Time
⇒ Distance = 11.39 m/s × 6 s = 68.34 m
Thus, distance = 68.34 meter Answer
Calculation of distance using Unitary Method
∵ In 1 second the distance covered = 11.39 meter
∴ In 6 second, the distance covered = 11.39 m × 6 = meter
Thus, distance = 68.34 meter Answer
Similar Questions
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(2) Find the distance covered by a ball in 26 hours if it covers a distance of 58 km in 16 hours.
(3) By running at a speed of 42 km/h how much distance a cyclist will cover in 6 second?
(4) At a certain speed a scooty covers a distance of 4 km in 4 hours. How much distance will it cover in 5 hour?
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