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Problem: A brick is thrown upward from the top of a building at an angle of 20 degrees to the horizontal and with an initial speed of 10 m/s.
Part A: If the brick is in flight for 3 seconds how tall is the building?
Express your knowledge to calculate how tall is the building?
Two particles of masses m1 and m2 are joined by a massless spring of natural length L and force constant k. Initially, m2 is resting on a table and I am holding m1 vertically above m2 at a height L. At time t=0, I project m1 vertically upward with in..
He pulls on a rope that is fastened to the platform and runs over a pulley on the ceiling. Illustrate with what force does he have to pull in order to give himself and the platform an upward acceleration of 1.0 m/s^2?
Obtain what energy is dissipated by a lightning bolt having a 18,000 Amp current, a voltage of 106 MV, and a time duration of 1.00 milliseconds
questionelectric charge on the earths surface and in the earths atmosphere produces an electric field that on a clear
The absorption spectrum of an atom consists of the wavelengths 200 nm, 300 nm, and 500 nm. What wavelengths are seen in the atom's emission spectrum?
You are standing in a street intersection watching a (very fast) car approach at a speed of 0.5c. The car first shoots a laser photon torpedo at you and then releases a very fast missile also towards you at a speed of 0.7c as measured from the car. A..
A jewel thief steals a valuable golden egg from an exhibitionon tht third floor of a multi-story building. On what floor is the thief hiding
0.10mol of nitrogen gas follow the two processes shown in the figure(Figure 1) . How much heat is required for isothermal process? How much heat is required for adiabatic process?
A football is kicked at an angle of 28.4 degrees above horizontal and with an initial speed of 27.9. The ball lands on a level field. Determine The range of the football
A 650-turn solenoid, 25 centimeter long, has a diameter of 2.6 centimeter. find the induced emf in the short coil during this time
what is the resistance in an rl circuit with l 38.21 mh if the time taken to reach 83.0 of its maximum current value
Violet light and red light travel through air and strike a block of plastic at the same angle of incidence. The angle of refraction is 30.760° for the violet light and 31.280° for the red light. The index of refraction for violet light in plastic..
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