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Three 15-? resistors are connected in parallel. This arrangement is connected in series with a 10-? resistor. The entire circuit is then placed across a 45-V battery.
a) What is the effective resistance of the parallel portion of the circuit?
b) What is the effective resistance of the entire circuit?
c) What is the current in the entire circuit?
d) What is the voltage drop across the 10-? resistor?
e) What is the voltage drop across the parallel portion of the circuit?
f) What is the current in each branch of the parallel portion of the circuit?
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A 10-m-long glider with a mass of 780kg(including the passengers) is gliding horizontally through the air at 30m/s when a 70Kg skydiver drops out by releasing his grip on the glider. What is the glider's speed
A ladder 7.09 m long leans against the side of a building. If the ladder is inclined at an angle of 79.50° to the horizontal, what is the horizontal distance from the bottom of the ladder to the building.
A skier with a mass of 66kg starts from rest and skis down an icy (frictionless) slope that has th elength of 57 m at an angle of 32° with respect to the horizontal. At the bottom of the slope, path levels out and becomes horizontal, the snow beco..
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