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A car with an initial velocity of 3.5 m/s coasts with the engine off and the transmission in neutral. If the combined effect of air resistance and rolling friction causes a deceleration of0.50 m/s2, after how long of a time will the car come to a stop?
Satellite is in a circular orbit about the earth (ME = 5.98 1024 kg). The period of the satellite is 3.70 104 s. What is the speed at which satellite travels.
A 1 mF, a 2 mF, and a 3 mF capacitor are connected in parallel, the combination being connected across a 9 volt battery. Which capacitor has the greatest voltage
A man wishes to vacuum his car with a canister vacuum cleaner marked 550 W at 120 V. If the resistance of each of the two conductors of the extension cord is 0.900 Ohm's, what is the actual power delivered to the cleaner
A contact lens is made of plastic with an index of refraction of1.52. The lens has an outer radius of curvature of+1.94cm and an inner radius of curvature of+2.54cm. What is the focal length of the lens?
What is the highest speed with which a 1550 car can round a turn of radius 76 on a flat road if the coefficient of static friction between tires and road is 0.50.
Suppose that when a 12.0-V battery drives a current of 6.7 A through a resistive device, How much is the internal resistance (in ohms) of the 12.0-V battery
A 5.0 multiplied by 102-newton girl takes 10. seconds to run up two flights of stairs to the landing, a total of 5.0 meters vertically above her starting point. What power does the girl develop during her run.
A farsighted person uses glasses with a refractive power of 3.6 diopters. What is this person's near point when not wearing glasses
in the quark model of fundamental particles a proton is composed of three quarks two up quarks each having charge 2e3
A 15 kg block rests on a level frictionless surface and is attached by a light string to a 5.0 kg hanging mass where the string passes over a massless frictionless pulley, What is the tension connecting the string
The Moon moves noticeably on the celestial sphere over the space of a single night. To show this, calculate how long it takes the Moon to move through an angle equal to its own angular diameter (0.5 degrees) against the background of the stars. Gi..
Two large parallel plates are separated by 0.90cm and carry uniform charge densities equal in magnitude and opposite in sign. A proton is between the plates and has an acceleration of magnitude 1.40×10^11m/s^2.
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