The voltage in a lightbulb is given by the equation V = IR. In this equation, Vis the voltage, / is the current, and Ris the resistance. What is the resistance in a
lightbulb with a voltage of 25 V and a current of 0.2 A?

R = 125 ohms

Explanation:

V = i * R

R = V / I

V = 25

I = 0.2

R = 25 / 0.2

R = 250 / 2

R = 125 ohms

acceleration = (change in speed) / (time for the change)

change in speed = (20-120)= -100 m/s.

1.5 min = 90 sec

acceleration = -100/90 = -1.11 m/s^2.

we don't care about the 150kg or the 2,500 meters. they don't make any difference.

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