3 years ago

Electric force is only dependent on charge. true or false?

Physics

2 answers:

Kitty [74]3 years ago

5 0

Your answer is false.

konstantin123 [22]3 years ago

5 0

The answer is false.

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Modern wind turbines generate electricity from wind power. The large, massive blades have a large moment of inertia and carry a

Anton [14]

Answer:

Explanation:

moment of inertia of each blade which is similar to rod rotating about its one end

= 1/3 ml²

moment of inertia of 3 blades = ml²

= 5500 x 46²

I = 11638 x 10³ kg m²

angular velocity = 2πn where n is rotation per second

n = 11 / 60

angular velocity = 2π x 11/60

= 1.1513 rad /s

angular momentum

= moment of inertia x angular velocity

= 11638 x 10³ x 1.1513

= 13399 x 10³ kg m² per second.

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4 years ago

An atom is the most __________ unit of living and nonliving things.

storchak [24]

Basic is the answer. (i think so)

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4 years ago

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A car travels from rest to 85 m/s and covers 150 meters. How LONG did<br> that take? *

kherson [118]

Answer:

51.76

Explanation:

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3 years ago

Where does reduction occur in an electrolytic cell

den301095 [7]

Answer:

The answer is actually a. Cathode

Explanation:

Just took the quiz

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3 years ago

A ball is batted straight up into the air and reaches a maxium height 65.6 m (a) How long did it take to reach this height? (b)

kondaur [170]

Answer:

a) 3.65 seconds

b) 35.87 m/s

Explanation:

s = Displacement = 65.6 m

u = Initial velocity

v = Final velocity

t = Time taken

a = Acceleration due to gravity = 9.81 m/s² (downward direction is taken as positive and upward is taken as negative)

b) Equation of motion

$v^2-u^2=2as\\\Rightarrow 0^2-u^2=2\times -9.81\times 65.6\\\Rightarrow u=\sqrt{2\times 9.81\times 65.6}\\\Rightarrow u=35.87\ m/s$

Initial pop up velocity is 35.87 m/s

$v=u+at\\\Rightarrow t=\frac{v-u}{a}\\\Rightarrow t=\frac{0-35.87}{-9.81}\\\Rightarrow t=3.65\ s$

It took 3.65 seconds to reach this height

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3 years ago