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An electric boiler requires two or more PRVs if its power input is more than: a) 1200 kW b) 1100 kW c) 1200 W d) 1100 W

Marco Magrini asked Dec 28, 2024

by Marco Magrini

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21 The heating curve of a substance is shown below. 2.1.1 2.1.2 2.1.3 2.1.4 2.1.5 graph 100 (b) 100 10 10 Time (minutes) Write down the physical state of the substance at t= 15 minutes. What is the boiling

Vcsjones asked Dec 28, 2024

by Vcsjones

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Type of energy transfer when a ball rolls down a ramp into another object causing it to move

Play asked Dec 28, 2024

by Play

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A car increases its speed from 20km/h to 50 km/h in 10s. Its acceleration is : A.30 m/s2 B.3 m/s2 C.18 m/s2 D.none of these

Splendid asked Dec 28, 2024

by Splendid

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1 vote

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Does hte vector class automatically expand

Kartins asked Dec 28, 2024

by Kartins

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A 24-year old amateur body builder has been injecting hGH to enhance muscle mass. a) Would you expect this injection to enhance muscle mass (yes of no)? b) What 5 other symptoms

Nadir Sidi asked Dec 28, 2024

by Nadir Sidi

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226k views

A man travels 7.0km due north, then 10.0km east. Find the resultant displacement..

Bermo asked Dec 28, 2024

by Bermo

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5 votes

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Which of these can happen to light waves? a) Refraction b) Oscillation c) Fusion d) Gravity

Succeed Stha asked Dec 28, 2024

by Succeed Stha

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A star cluster with a lot of hot, blue stars must be relatively young. T/F

TonyCool asked Dec 28, 2024

by TonyCool

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61.1k views

One could say there is really a 22 year sunspot cycle because

Mohammed Sajid asked Dec 28, 2024

by Mohammed Sajid

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5 votes

60.0k views

A weightlifter lifts 250 kg from the ground to a height of 1.5 m in 3.0 s. What is the average power generated by him? With explanation please A) 1225 W B) 125 W C) 250 W D) 3675 W

Neo M Hacker asked Dec 28, 2024

by Neo M Hacker

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4 votes

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Compare and contrast asteroids and meteoroids in terms of size.

BUKTOP asked Dec 28, 2024

by BUKTOP

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The vertex of the parabola below is at the point (2,-4). Which of the following could be this parabola's equation? A. y = x² B. y = (x - 2)² - 4 C. y = 4x² + 4 D. y = (x + 2)² + 4

Edhubbell asked Dec 28, 2024

by Edhubbell

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A vector makes an angle,��, with the horizontal. The horizontal and vertical components of the vector will be equal in magnitude if angle�� is? 1) 30 degrees 2) 45 degrees 3) 60 degrees 4) 90 degrees

EricL asked Dec 28, 2024

by EricL

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How does the water level change in an empty 20-gallon tank when it is filled at a constant rate for 3 minutes until it is half full and then emptied at a constant rate for another 3 minutes?

Joao Carlos asked Dec 28, 2024

by Joao Carlos

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A 50-cm-long, 0.2-cm-diameter electric resistance wire submerged in water is used to determine the boiling heat transfer coefficient in water at 1 atm experimentally. The surface temperature of the wire

Shuguang asked Dec 28, 2024

by Shuguang

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what is the reason you can use to say if you have the density of an object you can find the substance

Mergim asked Dec 28, 2024

by Mergim

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1 vote

128k views

What traditional roman virtues did cato the elder exemplify?

OverLordGoldDragon asked Dec 28, 2024

by OverLordGoldDragon

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3 votes

195k views

Matter is anything with a mass and volume. A solid is a form of matter with a uniform and unchanging shape. Substances have both physical and chemical properties. Physical properties can be observed without

Egermano asked Dec 28, 2024

by Egermano

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The velocity of the mass at the bottom of the hill, v2 = m/s the velocity of the mass after the frictional area, v3 = m/s the maximum compression of the spring, x4 =

Kukuh Tw asked Dec 28, 2024

by Kukuh Tw

8.2k points

1 answer

0 votes

111k views

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