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You have three 3.0 uF (micro Farads) capacitors. Two of the capacitors are in parallel, and this parallel combination is in series with the third capacitor. This capacitor combination is connected a
Calculate the magnitude of the electric field at one corner of a square 0.990 m on a side if the other three corners are occupied by 6.61×10^-6 C charges.
The captain maintains a compass bearing of northwest and a speed of 10.1 km/h relative to the water. The fog lifts 3.0 h later and the captain notes that he is now exactly 3.6 km south of the harbo
While taking photographs in Death Valley on a day when the temperature is 57.0°C, Bill Hiker finds that a certain voltage applied to a tungsten wire produces a current of 1.000 A. Bill then trav
a) How much work is done on the steam when 1.00 mol of water at 100 degrees celcius boils and becomes 1 mol of steam at 100 degrees at 1.00atm pressure?Assume the steam to behave as an ideal gas. b)
A 1280 kg car pulls a 350 kg trailer. the car exerts a horizontal force of 3.6 x 103 N against the ground in order to accelerate. What force does the car exert on the trailer? Assume an effective f
Find the normal force exerted by the floor on each hand and each foot, assuming that he holds this position.
A friend asks you how much pressure is in your car tires. You know that the tire manufacturer recommends 30 psi, but it's been a while since you've checked. You can't find a tire gauge in the car, b
The separation distance between two 1.0 kg masses is change. How is the mutal gravitational force affected in each case (assume F1 is the original force and F2 is the force after modification.)
A 80 kg student traveling in a car with a constant velocity has a kinetic energy of 1.9 x 104 J. What is the speedometer reading of the car in km/h?
Find the moment of inertia about its axis of rotation and the angular acceleration of the rotating system.
Gasoline flows into a storage container at the rate of 32.5gal/min. The storage container is 13.0 ft wide, 17.0 ft long and 7.00 ft deep. How many hours does it take to fill this container?
How much energy in J is dissipated as heat during a 2 minute time interval by a 1.5 Kilo Ohm resistor that has a constant 20 V potential difference across its leads?
A beam of white light makes an angle of incidence of 38° with a glass prism of index of refraction of 1.5 and refracting angle of 60°. Through what angle is the ray deviated by the prism? Do
A quantity is measured 100 times, and, after calculating the mean, the standard deviation, and the standard error on the mean, and assuming the errors on the individual measurements are all random,
Ignoring any change in the glass containing the mercury, what will be the height of the mercury column for the same one atmosphere of pressure when the temperature rises to 38.0 °C on a hot day?
During the cycle, what are (a) the net energy entering the system (the gas) as heat and (b) the net work done by the gas? (c) What is the efficiency of the cycle?
For calculating the mean and the standard deviation below, don't use the "mean" or "sigma" key on your calculator - show explicitly the sums you are doing. a) what is the mean value for your five me
In a proton accelerator a moving proton hits a solid target and stops. As a result an electron-positron pair is created at rest. The proton mass is 1.76E-27kg and the electron and positron have the
If he started at an angle of 20 degrees what is maximum velocity of his motion and where does it occur?
An automobile tire is pumped up to a gauge pressure of 2.0 x 10^5 Pa when the temperature is 27 °C. What is its gauge pressure after the car has been running on a hot day so that the tire temper
A motorist driving a 1000-kg car wishes to increase her speed from 20 m/s to 30 m/s in 5 s. Determine the horsepower required to accomplish this increase. Neglect friction.
A bullet is fired through a board, 14.0 cm thick, with its line of motion perpindicular to the face of the board. If it enters with a speed of 450 m/s and emerges with a speed of 220 m/s, what is th
The efficiency of a particular car engine is 27% when the engine does 8.7 kJ of work per cycle. Assume the process is reversible. What are (a) the energy the engine gains per cycle as heat Qgain fro
A charge of -2.205μC is located at (3.055m, 4.501m) and a charge of 1.800 μC is located at (-2.533m, 0). a) Find the electric potential at the origin.