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Problem: Superman, who likes physics, dangles his watch from a thin piece of string while he is taking off from ground horizontally at a constant acceleration. He notices that the string makes an angle of θ=31° with respect to the vertical.
Part A: After 19seconds, what is his speed?
I want you to explain the physics in this problem.
A 1.5 ?F capacitor is charged to 57 V by a battery, which is then removed. At time t = 0, Calculate the potential difference VL(t) across the inductor as a function o
The heat of vaporization of ethyl alcohol is about 200cal/g. If 1.30 kg of it were allowed to vaporize in a refrigerator, how various grams of ice would be formed from 0°C water.
A baryon called the neutral lambda particle has mass 1116MeV/c2. Discover the minimum speed necessary for the particles in a proton-antiproton collider to produce lambda-ant lambda pairs.
In the system shown in figure. A horizontal force Fx with a magnitude of 100N acts on object of mass m2=6.15kg. The horizontal force is frictionless. ( Picture- a flat table with mass m2 connected with a string to a pulley and mass 1 hangs off the ta..
Establish the wave functions and the general expression
A typical incandescent lightbulb has a filament temperature of approximately 3191 K. At what wavelength is the intensity of the emitted light highest
A cube 22 centimeters on each side contains 2.2 grams of helium at 20° Celsius. 1300 Joules of heat energy are transferred to this gas. What is the final pressure
A 5.00 gram object moving to the right at+20.0 cm/s makes an elastic head-on collision with a 10.0 gram object that is initially at rest, Calculate the percentage of the initial kinetic energy transferred to the 10.0 g object
as a laudably skeptical physics student you want to test coulombs law. for this purpose you set up a measurement in
A 1110 N man stands in the middle of a frozen pond of radius 4.18m. He is unable to get to the other side because of a lack of friction between his shoes and the ice.
A car is traveling at 15 m/s on a horizontal road. The coefficient of kinetic between the tires and road is
A man leaps from the top of a 60 meter tall building. If his initial speed is 24 m/s and at an angle of 23 degrees above the horizontal, then with what speed does he hit the ground as he lands
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