A plane left 30 minutes later than the scheduled time and in order to reach its destination 1500 km away on time, it has to increase its speed by 250 km/hr from its usual speed. Find the usual speed of the plane
Answers
Answered by
12
Answer:
Explanation:
Hope it will help you
Attachments:
Answered by
7
Let the usual speed of the aeroplane = x km/h
Then it's increased speed = (x+250)km/h
Time difference in the two cases = 30 min. = 1/2 hr.
As the speed cannot be negative, x ≠ -1000 ,so x = 750
Hence, the usual speed of the aeroplane = 750km/h
Similar questions
India Languages,
6 months ago
Physics,
6 months ago
Physics,
1 year ago
Physics,
1 year ago
Music,
1 year ago