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3 years ago

Name one material through which continuous flow of charge can be produced from heat energy

Physics

2 answers:

True [87]3 years ago

8 0

Answer:

Copper, and aluminum

Explanation:

Arlecino [84]3 years ago

6 0

Answer:

A continuous flow of negative charges (electrons) creates an electric current. The pathway taken by a electric current is a circuit.

Explanation:

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A uniform plank of length 6.1 m and mass 33 kg rests horizontally on a scaffold, with 1.6 m of the plank hanging over one end of

salantis [7]

Answer:

Explanation:

consider the principle of moment

when a system is in equilibrium, the clockwise moment (torque) about the pivot is equal to the counterclockwise moment ( torque). Since the plank is uniform the weight of the plank act at the middle which = 6.1 m / 2 = 3.05 m

the distance that can support the weight of the man = d

mass of the man = 70

70 × d = 33 × ( 3.05 - 1.6)

d = 47.85 / 60 = 0.798 m, if the man work beyond this point he will fall.

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3 years ago

A projectile, fired with unknown initial velocity, lands 20sec later on side of hill, 3000m away horizontally and 450m verticall

lorasvet [3.4K]

Explanation:

Given:

t = 20 seconds

x = 3000 m

y = 450 m

a) To find the vertical component of the initial velocity $v_{0y}$ , we can use the equation

$y = v_{0y}t - \frac{1}{2}gt^2$

Solving for $v_{0y}$ ,

$v_{0y} = \dfrac{y + \frac{1}{2}gt^2}{t}$

$\:\:\:\:\:\:\:=\dfrac{(450\:\text{m}) + \frac{1}{2}(9.8\:\text{m/s}^2)(20\:\text{s})^2}{(20\:\text{s})}$

$\:\:\:\:\:\:\:=120.5\:\text{m/s}$

b) We can solve for the horizontal component of the velocity $v_{0x}$ as

$x = v_{0x}t \Rightarrow v_{0x} = \dfrac{x}{t} = \dfrac{3000\:\text{m}}{20\:\text{s}}$

$v_{0x} = 150\:\text{m/s}$

4 0

3 years ago

What is the force that causes a 8 kg object to accelerate at 4 m/s^2

Vitek1552 [10]

Answer: F = 32 N

Explanation:

F= m x a

m = 8 kg

a = 4 m/s²

F = 8 kg x 4 m/s² = 32 kg m /s² = 32 Newton

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3 years ago

A parallel plate capacitor is connected to a battery of volatge V . The capacitor plates each have an area A and are separated b

Marat540 [252]

Answer:

as shown in the attached file.

Explanation:

The detailed step by step approach by the application of the expression for the parallel plate capacitor and appropriate substitution to ge the number of electrons added or removed is as shown in the attachment.

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3 years ago

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Likurg_2 [28]

Answer:

Explanation:

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3 years ago

Name one material through which continuous flow of charge can be produced from heat energy​

Name one material through which continuous flow of charge can be produced from heat energy