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Suppose one gallon of gasoline produces 1.1 108 J of energy, and this energy is sufficient to operate a car for 43 miles. An aspirin tablet has a mass of 270 mg. If the aspirin could be converted completely into thermal energy, how many miles would the car go on a single tablet?
what is the smallest value d can have before the string breaks?
Suppose that while moving into an apartment you move a refrigerator into place by sliding it across the floor. What is the least force you could exert on the refrigerator to move it
Two 4.0cm x4.0cm square aluminum electrodes, spaced 0.70mm apart are connected to a 400V battery. What is the charge on each electrode
Comet Halley has an orbital period of about 75 years. Determine the average distance of Comet Halley from the sun in AU
An 8 g bullet leaves a gun at 700 m/s.? what is the maximum height that this bullet could reach
A charged particle (m=5.0g, q= -70µC) moves horizontally at a constant speed of 30 km/s in a region where the free fall gravitational acceleration is 9.8 m//s^2 downward, what is the magnitude of the magnetic field in this region
A Venturi tube may be used as the inlet to an automobile carburetor. what is the pressure drop in the constricted section for an airflow of 3.0 cm/s in the 2.0-cm section
A car starts from rest and accelerates at a rate of 2m/s^2 until it reaches the speed fo 30m/s. find number of revolution each wheel completes up to this point
You are studying guitar strings and are able to measure a few of (but not all) the standing wave frequencies for a particular string. what is the highest possible value for the fundamental frequency
Two loudspeakers face each other, vibrate in phase and produce identical 416 Hz tones. A listener walks from one speaker toward the other at the constant speed and hears the loudness change.
A high powered 20.0 megawatt laser of beam diameter 6.00cm hits 100% absorptive, find how far the disk moves before the laser momentarily stops its motion
An unmarked police car travelling a constant 80 km/h is passed by the speeder travelling 100 km/h. precisely l.0s after the speeder passes, the policeman steps on an accelerator; if the police car's acceleration is 2.0m/s2, how much time passes befor..
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