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A series RC circuit has a time constant of 1.0s. The battery has a voltage of 50 V and the maximum current just after closing the switch is 500 mA. The capacitor is initially uncharged. What is the charge on the capacitor 2.0s after the switch is closed?
A 60 μm strand of DNA is strretched by an optical trapfrom equilibrium untill its ends are seperated by an additional 25μm. What is the work done by the trap on the DNA strand
a speeding car traveling at 120kmhr passes a cop that is traveling at the same speed in the opposite direction. upoon
For the following questions, express your answers in terms of q. (a) How much charge ends up on sphere C? (b) What is the total charge on the three spheres before they are allowed to touch each other? (c) What is the total charge on the three sphe..
A football kicked off at an angle 20° from the ground reaches a maximum height of 4.7 m. What is the initial velocity of the kick
ball a is dropped from the top of a building of height h at the same instant that ball b is thrown vertically upward
A racetrack has the shape of an inverted cone. On this surface the cars race in circles that are parallel to the ground, at what value of the distance d should a driver locate his car
Assuming that all photons reaching the solar cell give their energy to a charge carrier, what is the minimum power of a flash of light of wavelength 540nm that can be detected
If 43.0 cm of copper wire(diameter=1.22 mm, resistivity=1.69E-8?·m) is formed into a circular loop and placed perpendicular to a uniform magnetic field that is increasing at the constant rate of 9.51 mT/s
Calculate the speed of a proton that is accelerated from rest through a potential difference of 134V. Calculate the speed of an electron that is accelerated through the same potential difference.
Suppose two alpha particles were held together so they were just touching. Estimate the electrostatic repulsive force each would exert on the other
A 1300kg sports car accelerates from 0m/s to 33m/s in 12s . What is the average power of the engine?
A spherical bowling ball with mass m = 4 kg and radius R = 0.108 m is thrown down the lane with an initial speed of v = 8.8 m/s. How far does the bowling ball slide before it begins to roll without slipping
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