The fluid in a grdulated cylinder should be read at the _____ of the meniscus.
2 answers:
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Answer:
T= 1.71×10^{-3} sec= 1.71 mili sec
t_{fc}= 4.281×10^{-4} sec or 0.4281 mili sec
Explanation:
First of all we write equation for current oscillation in LC circuits. Note, the maximum current (I_0)= 5.5 mA is the amplitude of this function. Then, we continue to solve for the angular frequency(ω). Afterwards, we calculate the time period T. qo = maximum charge on capacitor. = 1.5× 10 ^− 6 C
a) I(t) = -ωqosin(ωt+φ)
⇒Io= ωqo
⇒ω= Io/qo
also we know that T= 2π/ω
⇒T=
now putting the values we get
=
= 1.71×10^{-3} sec
b) note that the time it takes the capacitor to from uncharge to fully charged is one fourth of the period . That is
t_{fc}= 4.281×10^{-4} sec or 0.4281 mili sec
Answer: 0.5 m
Explanation:
Given
Mass of the person is
Trampoline launches the person into the air up to height of
Force experience by springs is
Here, the work done on displacing the springs is equivalent to the Potential energy acquired by the person i.e.