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Sunny_sXe [5.5K]
2 years ago
13

Many electrical appliances use cells (batteries). there's a torch with two batteries inside it (the torch needs two cells to giv

e enough currect to light the lamp brightly) The batteries are connected end-to-end they are in series.
Question 1 What would you observe if the torch had only one cell? Explain your answer. ​
Physics
1 answer:
Shkiper50 [21]2 years ago
6 0

Answer:

torch will not light up

Explanation:

because the torch itself need two but you placed one so it will not light up

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Answer:

18.03 s

Explanation:

We have two different types of motions, the criminal moves with uniform motion while the police do it with uniformly accelerated motion. Therefore we will use the equations of these cases. We know that by the time the police reach the criminal they will have traveled the same distance.

x=vt\\x=x_{0}+v_{0}t+\frac{a}{2}t^2

The distance between the police and the criminal when the first one starts the persecution is 0, its initial speed is also zero. So:

x=(55m/s)t\\x=\frac{6.1m/s^2}{2}t^2=(3.05m/s^2)t^2

Equalizing these two equations and solving for t:

(55m/s)t=(3.05m/s^2)t^2\\(3.05m/s^2)t^2-(55m/s)t=0\\t((3.05m/s^2)t-55m/s)=0\\t=0 \\(3.05m/s^2)t-55m/s=0\\t=\frac{55m/s}{3.05m/s^2}=18.03 s

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