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2 years ago

How does the size of a wind turbine affect its energy output?

Physics

1 answer:

melisa1 [442]2 years ago

6 0

Answer:

Larger tubines generate more electricity.

Explanation:

Larger blades allow the turbine to capture more of the kinetic energy of the wind by moving more air through the rotors. However, larger blades require more space and higher wind speeds to operate. This distance is necessary to avoid interference between turbines, which decreases the power output.

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The instantaneous velocity of an object is the blank of the object with a blank

777dan777 [17]

The instantaneous velocity of the object is its speed and direction at that instant.

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3 years ago

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If the mass of both weights is 225 gm, the first mass is located 20∘ north of east, the second mass is located 20∘ south of east

Montano1993 [528]

Answer:

The voltage is 2.114 V.

Explanation:

Given that,

Mass of both weights = 225 gm

Transducer sensitivity = 0.5 V/N

The first mass is located 20∘ north of east, the second mass is located 20∘ south of east,

We need to calculate the net equivalent force

Using formula of force

$F_{3}=m_{1}g\cos\theta+m_{2}g\cos\theta$

$F_{3}=2mg\cos\theta$

Put the value into the formula

$F_{3}=2\times0.225\times10\cos20^{\circ}$

$F_{3}=4.228\ N$

We need to calculate the voltage

Using formula of voltage

$Voltage =sensitivity\times F_{3}$

Put the value into the formula

$Voltage=0.5\times4.228$

$Voltage =2.114\ V$

Hence, The voltage is 2.114 V.

7 0

3 years ago

. Which of the following is a vector describing how fast an object moves over a long time interval?. . average speed. instantane

gulaghasi [49]

"Average velocity" is the vector among the choices given in the question that describes <span>how fast an object moves over a long time interval. The correct option among all the options that are given in the question is the last option or the fourth option. I hope the answer has helped you.</span>

8 0

3 years ago

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What is the process by which engine fuels burn

BigorU [14]

It burns when you start your car and that conducts electricity which burns it.

6 0

2 years ago

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Dos coches, uno de 1.000 kg que circula a 100 km/h, y otro de 1.200 kg que circula a 90

Kobotan [32]

The collision of car 2 is more violent (because more impulse is exerted)

Explanation:

The collision which is more violent is the one in which more impulse is exchanged.

The impulse exerted by each car on the wall is equal to the change in momentum of the car:

$I=m\Delta v$

where

m is the mass of the car

$\Delta v$ is the change in velocity

For the car 1,

m = 1000 kg

$\Delta v = -100 km/h \cdot \frac{1000 m/km}{3600 s/h}=-27.8 m/s$ (the sign is negative because the velocity of the car has changed from 100 km/h to 0 km/h)