The total power delivered by the battery is 32W.
<h3>
What is total power?</h3>
The total power in a series circuit can be described as one that is equal to the sum of the power that is been dissipated by the individual resistors.
The total power delivered by the battery can be calculated using the formula below:
Pp= [(Δv)^2/ R]
=4 [(Δv)^2/ 2R]
=4Ps
where Ps= power in the series = 8.00 W
R= resistance
=4*8W
=32W
Therefore, total power delivered by the battery is 32W.
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Train B is gonna have a greater speed after 10 seconds
The energy possessed by a body because of its motion, equal to one half the mass of the body times the square of its speed is called its kinetic energy.
K=
2
1
mv
2
When, v=2v,
K
′
=
2
1
m(2v)
2
K
′
=4×
2
1
mv
2
K
′
=4K
Hence, when velocity is doubled, kinetic energy becomes 4 times.
Answer:
I hope the answer helps you
