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A) Resistor R1=14.6 Ohm is connected in parallel to a combination in series of resistors R2=3.1 Ohm and R3=7.9 Ohm. Combination is connected to an ideal battery of V=8.3 V. Find voltage drop on the resistor R2. Give answer in V.
B) Resistor R1=4.9 Ohm is connected in series to a parallel combination of R2=6.2 Ohm and R3=9.8 Ohm. The combination of three resistors is connected to a real battery of emf 8.3 V. Find internal resistance of a battery if current through a battery is 0.68 A. Give answer in Ohms.
C) Resistor R1=14.6 Ohm is connected in parallel to a series combination of R2=2.1 Ohm and R3=5.9 Ohm. The combination of three resistors is connected to a real battery of emf of 8.3 V. Find internal resistance of a battery if current through resistor R2 is 0.58 A. Give answer in Ohms.
In compressing the spring in a toy dart gun , 0.5 J of work isdone. When the gun is fired, the spring gives its potential energyto a dart with mass of .02 kg. What is the dart's kinetic energy as it leaves the gun
Two window washers work on a plank of mass 15 kg suspended by ropes that are tied to each end. The plank is a uniform piece of wood 4.0 meters wide. Person A has a mass of 75 kg and stands 0.5 m from the left side of the plank. Person B has a mass of..
A disk of mass M and radius R rolls back and forth on avertical track of radius a. Obtain the equation of motion
At time t1 = 2.00 s, the acceleration of a particle in counterclockwise circular motion is (1.00 m/s2) i + (6.00 m/s2) j. What is the radius of the path taken by the particle
You throw a tennis ball straight upward. The initial speed is about 12 m/s. What is the maximum height that the ball will reach
A pendulum bob is released from the some initial height such that the speed of the bob at the bottom of the swing is 1.9m/s. What is the initial height of the bob
The intake in Figure 14-44 has cross-sectional area of0.75 m2 and water flow at0.40 m/s. What is the pressure difference between inlet and outlet
Consider a thick spherical shell of inner radius R/2 and outer radius R. Calculate the total electrostatic potential energy of the thick shell
A 2.00 kg steel gas can holds 10.0 L of gasoline when full. What is the average density of the full gas can
Three resistors R1 = 81.0 Ω, R2 = 21.0 Ω, R3 = 70.0 Ω, and two batteries 1 = 40.0 V, and batteries 2 = 353 V are connected as shown in the diagram below.
A(n) 2655 kg van runs into the back of a(n) 848 kg compact car at rest. They move off together at 8.8 m/s. Assuming no friction with the ground, find the initial speed of the van
A metal sphere of radius 10 cm carries a charge of +2.0 uC. What is the magnitude of the electric field 5.0 cm from the spheres surface?
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