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Suppose you are driving your car on a business trip and are traveling at 30 m/s. Your boss, who is waiting at your destination, expects the trip to take 5.0 h. When you arrive late, your excuse is that the clock in your car registered the passage of 5.0 h but that you were driving fast and so your clock ran more slowly than the clock in your boss's office. If your car clock actually did indicate a 5.0-h trip, how much time passed on your boss's clock, which was at rest on the Earth?
An air-filled ion chamber is operated at a pressure of 3 atm, find the saturated ion current corresponding to a gamma-ray exposure of 1 mR/h
Suppose that an electron is trapped within a small region and the uncertainty in its position is 7.20 multiply.gif 10-15 m, find the minimum uncertainty in the electron's momentum
The engine of an aircraft propeller delivers an amount of power 179hp to the propeller at a rotational velocity of 2310rev/min. How much torque does the aircraft engine provide
Sodium vapor light averaging 589 nm in wavelength falls on a single slit of width 6.90 μm. At what angle does it produces its second minimum?
What is the electric force between a glass ball with 2.0 µC of charge and a rubber ball with-4.5 µC of charge when they areseparated by 5 cm? (N)
We wish to design an ac generator using an armature on which is wound a flat tight rectangular coil (8.00 cm x 20.0 cm) of 150 turns. Estimate How strong should the magnetic field be
A parallel-plate capacitor has plates with an area of 750 cm2 separated by 0.6 mm. What is the electric field between the plates
A mass of 0.8kg is located at the end of a very light and rigid rod 50 cm in length. What is the rotational inertia of the system
A man pulls a 300 N object across a horizontal surface using a100 N force applied at a 35° angle. What is the normal force?If the object is pulled at constant speed, what is the coefficientof friction?
A 1.50-mcylinder of radius 1.10cmis made of a complicated mixture of materials. Its resistivity depends on the distancexfrom the left end and obeys the formulap(x) = ax + bx^2, whereaandbare constants. At the left end, the resistivity is2.25 E-8 o..
The capacitance of your body is about 30 pF. If you walk over a carpet on a dry day and then come within about 5 mm of a metal doorknob a spark will result. This means that there was a potential dissimilarity of about 15 kV among you and the doorknob..
An ideal heat engine with a Carnot efficiency of 38.9 % takes in heat from a high-temperature reservoir at 155oC. What is the Celsius temperature of the low-temperature reservoir?
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