4 years ago

What is the sequence of energy transformations when electricity is generated from fossil fuels?

Physics

2 answers:

kow [346]4 years ago

7 0

B) is the answer, hope it helps

hodyreva [135]4 years ago

3 0

B. Chemical energy stored in the fuel, thermal energy when it is burned, mechanical energy as a sort of intermediate to turn it into electrical energy.

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Otrada [13]

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3 years ago

Which is NOT a unit of force? A. Dyne B. Joules C. Newton D. Pound

kaheart [24]

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4 years ago

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4vir4ik [10]

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3 years ago

The question is in the attachment.

sammy [17]

Answer:

Correct answer: Yes, with acceleration a = 10 m/s²

Explanation:

By definition acceleration is equal.

a = ΔV / Δt = (V₂ - V₁) / (t₂ - t₁)

a = (10 - 0)/ (1 - 0) = (20 - 10)/ (2 - 1) = ........ (50 - 40)/ (5 -4) = 10 m/s²

a = 10 m/s²

God is with you!!!

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4 years ago

if a toaster oven uses 1000 J of electrical energy to produce 800 J of thermal energy, what is the percent efficiency of the toa

ArbitrLikvidat [17]

Answer:

80%

Explanation:

The thermal energy output by the oven is 800 J which is the useful energy that can be utilized for cooking.

The electrical energy input to the oven is 1000 J.

The efficiency of the oven =

(Useful energy output)/(Total energy input to the oven) x 100

$=\frac{800}{1000}\times 100= 80\%$

Hence, the efficiency of the oven is 80%.

3 0

4 years ago