3 years ago

Calculate the displacement of the following components:

Physics

1 answer:

Margaret [11]3 years ago

4 0

Answer:

zero displacement

its returnin to the starting point.

5 north 5 south

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Explanation:

Let V1 and V2 be velocities of puck A and B respectively

Since A and B move in the same direction, so the relative velocity will be V1+V2=3.5+3.9=7.4m/s

Vr=7.4 m/s

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Time =t=?

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- Gas central heating is used for 5 days, using 102 kWh of energy. If 1 kWh of gas costs 7p, calculate the cost of using the cen

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Answer:

Explanation:

Given that,

Gas central heating was used for 5days

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Then, 1 kWh = 7p

So,

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