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coldgirl [10]
3 years ago
11

A 1.5m wire carries a 8A current when a potential difference of 67v is applied what is the resistance of the wire

Physics
1 answer:
Drupady [299]3 years ago
8 0

Data is inappropriate

  here, we need gauge of the wire i.e., diameter of the wire, so that we calculate the resistance by using the formula

                              R  = ρl/A            

            where R= resistance ; Ω

                       l = length of wire ; m

                       A = area of wire ; m²

                       ρ = resistivity ; Ω-m

But in general ohms law is

                    V = I R

                    R = V/I ;

but here we also calculate "R" from length of wire in which the current is flowing.

I hope it is helpful to you.

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1)Calculate the mass of a girl that has a weight of 113 Newtons.
Blababa [14]

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Explanation:We should know that weight = mass * gravity.

That is weight equals mass times gravity.

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Anna Litical and Noah Formula are experimenting with the effect of mass and net force upon the acceleration of a lab cart. They
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Answer:

c. 48 cm/s/s

Explanation:

Anna Litical and Noah Formula are experimenting with the effect of mass and net force upon the acceleration of a lab cart. They determine that a net force of F causes a cart with a mass of M to accelerate at 48 cm/s/s. What is the acceleration value of a cart with a mass of 2M when acted upon by a net force of 2F?

from newtons second law of motion ,

which states that change in momentum is directly proportional to the force applied.

we can say that

f=m(v-u)/t

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t=time

v=final velocity

u=initial velocity

since a=(v-u)/t

f=m*a

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