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raketka [301]
3 years ago
14

Which device provides electrical energy to run an electric circuit

Physics
1 answer:
Igoryamba3 years ago
4 0
The battery provides electrical energy to run an electric circuit
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If a 2kg ball has and initial velocity of
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\boxed {\boxed {\sf 12 \ Newtons }}

Explanation:

Force is equal to the product of mass and acceleration.

F=m*a

We know the mass, but not the acceleration. Therefore, we must calculate it before we can calculate force.

1. Calculate Acceleration

Acceleration is the change in velocity over the change in time.

a=\frac{V_f-V_i}{t}

The final velocity is 10 meters per second and the initial velocity is 4 meters per second. The time is 1 second.

V_f=10 \ m/s \\V_i= 4 \ m/s \\t= 1 \ s

Substitute the values into the formula.

a=\frac{10 \ m/s-4 \ m/s }{1 \ s}

Solve the numerator.

a=\frac{6 \ m/s}{1 \ s }

Divide.

a= 6 \ m/s/s=6 \ m/s^2

2. Calculate Force

Now we know the acceleration and the mass.

m= 2 \ kg \\a= 6 \ m/s^2

Substitute the values into the fore formula.

F= 2 \ kg * 6  \ m/s^2

Multiply.

F= 12 \ kg*m/s^2

  • 1 kilogram meter per square second is equal to 1 Newton.
  • Our answer of 12 kg*m/s² is equal to 12 Newtons

F= 12 \  N

The force applies to the ball was <u>12 Newtons.</u>

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