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Imagine four resistors: R1=600 ohms, R2=600 ohms, R3=300 ohms, R4=300 ohms. R1, R2, and R3 are connected together in a parallel plane; then R4 is connected in series with them; and finally the combination of all four resistors is connected to a 50 volt DC voltage source (emf).
A) Calculate the equivalent reistance, Req, of the four resistorsB) Find the current delivered by the DC voltage sourceC) Which of the four resistors have identical currents passing through themD) Which of the four resistors have identical voltage drops (i.e. potential differences) across them?E) Find the total power dissipated by all four resistors
River Pascal with a volume flow rate of 6.1×105L/s joins with River Archimedes, which carries 1.15×106L/s , What is the speed of the water in the Bernoulli River
q1. what current is required in the windings of a long solenoid that has 1710 turns uniformly dispersed over a length
The concrete wall of a building is 0.10m thick. The temperature inside the building is 20.0 °C, while the temperature outside is 0°C. Heat is conducted through the wall.
The angular speed of the rotor in a centrifuge increases from 423 to 1404 rad/s in a time of 5.20 s. Obtain the angle through which the rotor turns
Calculate the work done on 0.205 mol of methane when it is compressed from 10.0 L to 2.25 L at 25 degree's Celsius, assuming that methane is (a) an ideal gas and (b) a van der Waals gas.
A ball is released at the bottom of a container of liquid. The ball rises upward, pops out of the liquid and reaches a height of 20 cm, Calculate the velocity of the ball when it leaves the liquid
After a golf ball is hit it takes off with an initial speed of 26.2 m/s and at an angle of 39.5° with respect to the horizontal. The golf field is flat and horizontal.
Two electrons are fixed 2.00 centimeters apart. Another electron is shot from infinity and comes to rest midway between the two fixed electrons. Find the initial speed of the electron
A car is going with a constant speed of 15 m/s (about 34 mph) in a school-crossing corner, where the speed limit is 10 m/s (about 22 mph). What is the speed of the police car at that point
As an eager scientist on a hot summer day you wish to determine how much ice to buy to add to your cooler which is filled with 36 cans of soda which are warm at 81.7°F. how much ice needs to be added to your cooler
q1. a dental bracket exerts the horizontal force of 80.0 n on a tooth at point b. what is the torque on the root of
In the days before compact discs and MP3 players (ancient history!), music was recorded in scratches in the surface of vinyl-coated disks called records. Find the centripetal acceleration of a point on the edge of the record
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