Answer:
C is the best answer because we all know that clock is part of our daily lives but we don't know the about its background
Answer:
162.8 K
Explanation:
initial current = io
final current, i = io/8
Let the potential difference is V.
coefficient of resistivity, α = 43 x 10^-3 /K
Let the resistance is R and the final resistance is Ro.
The resistance varies with temperature
R = Ro ( 1 + α ΔT)
V/i = V/io (1 + α ΔT )
8 = 1 + 43 x 10^-3 x ΔT
7 = 43 x 10^-3 x ΔT
ΔT = 162.8 K
Thus, the rise in temperature is 162.8 K.
Answer:
The kinetic energy would decrease because it has less mass
Explanation:
A battery
Answer:
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Explanation:
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Square root of (4^2 + 4^2) = 4*squareRoot(2)
