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प्रश्न
A boy drives his scooter with a uniform speed of 45 km/h. Find the time taken to cover 900 m.
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उत्तर
To find the time taken to cover 900 m
Convert speed to m/s
Since 1 km/h = `5/18` m/s
45 km/h = `45xx5/18` = 12.5 m/s
`"Time" = "Distance"/"Speed"`
Substitute the values:
`"Time" = "900 m"/"12.5 m/s"`
= 72 seconds.
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| Type of boat | Catch of fish in one trip (in kg) |
Speed of the boat (how far it goes in one hour) |
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| Long tail boat | 600 | 12 km per hour |
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| Type of boat | Catch of fish in one trip (in kg) |
Speed of the boat (how far it goes in one hour) |
| Log boat | 20 | 4 km per hour |
| Long tail boat | 600 | 12 km per hour |
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| Machine boat | 6000 | 22 km per hour |
