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pogonyaev
3 years ago
9

A match is being is an example of

Physics
1 answer:
DaniilM [7]3 years ago
3 0

A match is being is an example of multiple energy transformations

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A fully loaded, slow-moving freight elevator has a cab with a total mass of 1200 kg, which is required to travel upward 54 m in
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Answer:

The average power is calculated as 735.0 W

Solution:

As per the question:

Total mass, M = 1200 kg

Counter mass of the elevator, m = 950

Distance traveled by the elevator, d = 54 m

Time taken, t = 3 min = 180 s

Now,

To calculate the average power:

First, we find the force needed for lifting the weight:

Force, F = (M - m)g = (1200 - 950)\times 9.8 = 2450 N

Now, the work done by this force:

W = Fd = 2450\times 54 = 132300\ J = 132.3\ kJ

Average power is given as:

P_{avg} = \frac{W}{t} = \frac{132300}{180} = 735.0\ W

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3 years ago
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Explanation:

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3 years ago
Does a generator start a Direct Current?
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Density of water is 1000 kg/m^3. What will be the volume of 35000 kg water?
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