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Ainat [17]
3 years ago
10

Electricity that comes into our homes from the grid is known as:

Physics
1 answer:
il63 [147K]3 years ago
7 0
Power grid
All the poles and wires you see along the highway and in front of your house are called the electrical transmission and distribution system. Today, generating stations all across the country are connected to each other through the electrical system (sometimes called the "power grid").
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Answer:

Explanation:

We know that Impulse = force x time

impulse = change in momentum

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Since force is variable

change in momentum = ∫ F dt  where F is force

= ∫ .285ti - .46t²j dt

= .285 t² / 2i - .46 t³ / 3 j

When t = 1.9

change in momentum = .285 x 1.9² /2 i  -  .46 x 1.9³ / 3 j

= .514i - 1.05 j

final momentum

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