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sergejj [24]
3 years ago
15

The use of non-renewable energy resources in the UK has changed in the last 30 years.

Physics
2 answers:
Paha777 [63]3 years ago
7 0

Explanation:

ABA MALAY KO SAYO DI KO ALAM SAGOT DIYAN

soldi70 [24.7K]3 years ago
3 0

Answer: Varies

Explanation: It became more relied upon, technology is responsible for this.

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Vsevolod [243]

Answer:

176 degrees fahrenheit

Explanation:

80°C × 9/5) + 32 = 176°F

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2 years ago
In a few sentences, compare and contrast pressurized water reactors and boiling water reactors.
kondaur [170]
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3 years ago
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A spring has a spring constant of 90N/m.How much potential energy does it store when stretched by 2 cm?
il63 [147K]

Answer:

The potential energy stored in the spring is 0.018 J.

Explanation:

Given;

spring constant, k = 90 N/m

extension of the spring, x = 2 cm = 0.02 m

The potential energy stored in the spring is calculated as;

U = ¹/₂kx²

where;

U is the potential energy stored in the spring

Substitute the given values in the equation above;

U = ¹/₂  x  90 N/m  x  (0.02 m)²

U = 0.018 J

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5 0
3 years ago
2. A certain object revolves at a rate of 30 rpm. Please determine the frequency and period of this
schepotkina [342]

Answer:

The time period of the motion is, T = 0.03 s

The frequency of the rotation is, f = 30 Hz

Explanation:

Given data,

The rotational speed of an object, ω = 30 rpm

                                                          ω = 188.5 rad/s

The time period of motion is,

                            T = 2π / ω

Substituting the given values in the above equation

                               = 2π / 188.5

                            T = 0.03 s

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The frequency of rotation,

                                f = 1 /T

                                   = 1 / 0.03

                                   = 30 Hz

Hence, the frequency of the rotation is, f = 30 Hz

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3 years ago
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