Hellowww..... =)What is atomic number ?..
2 answers:
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Initial velocity of the object: 5 m/s
Explanation:
The figure in the problem is missing: find it in attachment.
The graph in the figure represents the velocity of an object (v) versus the time passed (t).
Here we are asked to find the initial velocity of the object.
This means that we have to find the velocity of the object when the time is zero, so when
t = 0
By looking at the corresponding value on the y-axis (velocity), we see that when t = 0, then
v = 5 m/s
Therefore, the initial velocity of the object is 5 m/s.
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When a camera uses a flash, a fully charged capacitor discharges through an inductor. In 4 * seconds must the 0.100-A current through a 2.00-mH inductor be switched on or off to induce a 500-V EMF.
When a Capacitor is connected to a circuit with Direct Current (DC) source, two processes, which are called "charging" and "discharging" the Capacitor
Given
Inductance = 2 m H
EMF = 500 V
Current = 0.100 A
EMF = L (di/dt)
dt =
L di / EMF
t = L ( i / EMF )
time = 2 * * 0.100 / 500
= 4 * seconds
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