Class 7 Exam > Class 7 Questions > A scooterist travels at 30 km/h along a strai...
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A scooterist travels at 30 km/h along a straight path for 20 minutes. What is the distance traveled?
- a)10 km
- b)1.5 km
- c)6 km
- d)90 km
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
A scooterist travels at 30 km/h along a straight path for 20 minutes. ...
Understanding the Problem
To determine the distance traveled by the scooterist, we need to use the formula for distance, which is:
Distance = Speed × Time
In this case, the speed of the scooterist is given as 30 km/h, and the time traveled is 20 minutes.
Converting Time
First, we need to convert the time from minutes to hours since the speed is in kilometers per hour.
- 20 minutes = 20/60 hours = 1/3 hours or approximately 0.33 hours.
Calculating Distance
Now, we can use the distance formula:
- Distance = Speed × Time
- Distance = 30 km/h × (1/3) hours
- Distance = 10 km
Conclusion
The total distance traveled by the scooterist is 10 km. Therefore, the correct answer is option 'A'.
Key Points
- Speed of the scooterist = 30 km/h
- Time traveled = 20 minutes = 1/3 hours
- Distance traveled = 10 km
This straightforward calculation demonstrates the importance of converting units appropriately to arrive at the correct answer.
To determine the distance traveled by the scooterist, we need to use the formula for distance, which is:
Distance = Speed × Time
In this case, the speed of the scooterist is given as 30 km/h, and the time traveled is 20 minutes.
Converting Time
First, we need to convert the time from minutes to hours since the speed is in kilometers per hour.
- 20 minutes = 20/60 hours = 1/3 hours or approximately 0.33 hours.
Calculating Distance
Now, we can use the distance formula:
- Distance = Speed × Time
- Distance = 30 km/h × (1/3) hours
- Distance = 10 km
Conclusion
The total distance traveled by the scooterist is 10 km. Therefore, the correct answer is option 'A'.
Key Points
- Speed of the scooterist = 30 km/h
- Time traveled = 20 minutes = 1/3 hours
- Distance traveled = 10 km
This straightforward calculation demonstrates the importance of converting units appropriately to arrive at the correct answer.
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Community Answer
A scooterist travels at 30 km/h along a straight path for 20 minutes. ...
If the scooter is travelling at precisely 30km/h in a perfectly straight line.
We know 1 hour=60 minutes
Therefore to calculate the distance traveled in the started fraction of the hour.
Therefore 10km is the distance traveled in 20 minutes of travelling at a speed of 30km/h
We know 1 hour=60 minutes
Therefore to calculate the distance traveled in the started fraction of the hour.
Therefore 10km is the distance traveled in 20 minutes of travelling at a speed of 30km/h
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