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4 years ago

What is the average electric current in a wire, when a charge of 150 C passes in 30 s?

1 answer:

7 0

We know, I = Q / t
Here, Q = 150 C
t = 30 s

Substitute their values,
I = 150 / 30
I = 5 A

In short, Your Answer would be 5 Ampere

Hope this helps!

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A student made a model of an onion skin cell she viewed using a microscope. The scale is 1:500.The students cell model has a len

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The original will be 15\500 to find the real length

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3 years ago

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Simpson drives his car with an average velocity of 48.0 km/h to the east. How long will it take him to drive 144 km on a straigh

Lorico [155]

Answer:

The time save by Simpson is 25.8 minutes.

Explanation:

Given that,

Velocity of the car, v = 48 km/h

Distance covered by the car, d = 144 km

Let t is the time taken by the car. Speed of an object is given by distance covered per unit time. It is given by :

$v=\dfrac{d}{t}$

$t=\dfrac{d}{v}$

$t=\dfrac{144\ km}{48\ km/h}$

t = 3 hours

If the velocity is increased to 56 km/h to the east. Time taken is given by :

$t'=\dfrac{144\ km}{56\ km/h}$

t' = 2.57 seconds

The time save by Simpson increasing his average velocity is given by :

$\Delta t=t-t'$

$\Delta t=3-2.57$

$\Delta t=0.43\ hours$

$\Delta t=25.8\ min$

So, the time save by Simpson is 25.8 minutes. Hence, this is the required solution.

5 0

4 years ago

An object in a certain direction with an acceleration in the perpendicular direction

geniusboy [140]

Answer:

An object moving in certain direction with an acceleration in the perpendicular direction. The above condition is possible . Example of such situation in life would be when stone tied to a string whirling in a circular path

Hope this helps and pls mark as BRAINLIEST :)

3 0

3 years ago

A heavy stone of mass m is hung from the ceiling by a thin 8.25-g wire that is 65.0 cm long. When you gently pluck the upper end

Dominik [7]

Answer:

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Explanation:

Given data:

weight of wire is 8.25 g

length of wire is 65 cm

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