Sal connected four light bulbs in a parallel circuit. If Sal adds another light bulb, what is true about the current in each bul
2 answers:
Since all the bulbs are connected in parallel with each other
so here voltage across each bulb will remains the same
so here we will have
now all bulbs are identical and we have same voltage source across all the bulbs
so we will have current in each bulb given by same equation
now we can say that correct answer will be
C) The current in each bulb remained the same even though another bulb was added.
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1) Velocity: 9.9 m/s and 14 m/s
The motion of the diver is a free-fall motion, so it is a uniform accelerated motion. Choosing downward as positive direction, the final velocity can be found by using the following suvat equation:
where
v is the final velocity
u = 0 is the initial velocity (the diver starts from rest)
is the acceleration of gravity
s is the displacement
For the diver jumping from 5 m, s = 5 m, so
For the diver jumping from 10 m, s = 10 m, so
2) Time: 1.01 s and 1.43 s
The time of flight of each diver can be found by using the other suvat equation
And since u = 0, it can be reduced to
For the diver jumping from 5 m, s = 5 m, so we find
For the diver jumping from 10 m, s = 10 m, so we find