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ycow [4]
3 years ago
11

What is the tendency of a material to oppose the flow of charge?

Physics
2 answers:
Salsk061 [2.6K]3 years ago
6 0
The answer is B. resistance
shtirl [24]3 years ago
5 0

Answer: Resistance

Explanation:

The tendency of a material to oppose flow of charges through it is known as resistance. It is an opposing force that acts against the electric current. It depends on the resistivity of the material, its length and diameter. It also depends on the temperature. With increase in temperature, resistance increases.

R = \frac{\rho l}{A}

It is measured in Ohms (Ω)

At constant voltage,

I \propto \frac{1}{R}

Thus, more resistance leads to low current value.

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In a nuclear fusion reaction, the mass of the products is _____ the mass of the reactants.
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Answer:

more than

Explanation:

In a nuclear fusion reaction, the mass of the products is more than the mass of the reactants.

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Un contratista colocará azulejo importado en la pared de una cocina, que mide 6 metros de ancho y 4 metros de alto.
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a projectile is shot horizontally from the edge of a cliff, 230m above the ground. the projectile lands 300m from base of the cl
bekas [8.4K]

Answer:

The time taken by the projectile to hit the ground is 6.85 sec.

Explanation:

Given that,

Vertical height of cliff = 230 m

Distance = 300 m

Suppose, determine the time taken by the projectile to hit the ground.

We need to calculate the time

Using second equation of motion

s=ut+\dfrac{1}{2}gt^2

Where, s = vertical height of cliff

u = initial vertical velocity

g = acceleration due to gravity

Put the value in the equation

230=0+\dfrac{1}{2}\times9.8\times t^2

t=\sqrt{\dfrac{230\times2}{9.8}}

t=6.85 sec

Hence, The time taken by the projectile to hit the ground is 6.85 sec.

7 0
3 years ago
What is the speed of a wave that has a wavelength of 0.4 m and a frequency of 10 Hz
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4 0
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What can be found in a compost bin?
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D. all of the above

Hope this helps!
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Read 2 more answers
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