A cruise from 100 km from the nearest shore when the captain discovered a leak
Answers
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A cruise was 100 km from the nearest shore when the captain discovered a leak which admits 5 tons of water every 10 minutes, 120 tons would suffice to sink the cruise. The captain came up with a temporary solution by fixing a pump which can throw 10 tons of water in an hour. Find the average sailing rate of the cruise that may just allow cruise to reach the nearest shore
Concept:
The overall distance the object covers in a given amount of time is its average speed. A scalar value represents the average speed. It has no direction and is indicated by the magnitude.
Calculating the ratio of the body's total distance travelled to the time needed to complete that distance yields the average speed formula.
As stated in the average speed equation:
Average speed =Traveled Distance/Total Time
Given:
A cruise was 100 km from the nearest shore when the captain discovered a leak which admits 5 tons of water every 10 minutes, 120 tons would suffice to sink the cruise. The captain came up with a temporary solution by fixing a pump which can throw 10 tons of water in an hour.
Find:
Find the average sailing rate of the cruise that may just allow cruise to reach the nearest shore
Solution:
In 1 hours water entering the ship = (30 – 10)tons = 20 tons
Time taken for 120 tons of water to enter the ship
=120/20
= 6 hours
Distance to travel in 6 hours = 100km
Average speed = 100/6
= 16.67 km/hr
Therefore, the average sailing rate of the cruise that may just allow cruise to reach the nearest shore is 16.67
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