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VikaD [51]
3 years ago
12

A bird can fly 25 km/h. How long does it take to fly 3.5km?

Physics
1 answer:
Evgen [1.6K]3 years ago
7 0
Speed of bird = 25km / h, it means a bird covers a distance of 25 km in 1 hour  or 60 minutes.
A birds covers a distance of 1 km in time = 1 hour  = 60 min
so, 60 / 25 = 2.4 = 2 minutes 4 second
it means a bird covers a distance of 1 km in 2 minutes 4 second, so a bird take time to fly 3.5 km in time = 3.5 x 2.4 = 8.4 = 8 minutes 4 second
So, the answer is 8 minutes 4 seconds.
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A pickup truck and a hatchback car start at the same position. If the truck is moving at a constant 33.2m/s and the hatchback ca
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The pickup truck and hatchback will meet again at 440.896 m

Explanation:

Let us assume that both vehicles are at origin at the start means initial position is zero i.e. s_{o} = 0. Both the vehicles will cross each other at same time so we will make equations for both and will solve for time.

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v_{i} = 33.2 m/s, a = 0 (since the velocity is constant), s_{o} = 0

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