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1. You throw a ball from the top of a 50 m high building at 12 m/s upward. The ball misses the building on the way down. The mass of the ball is 2 kg.
a. Using energy considerations, how high does the ball go?
b. Using energy considerations, what is the magnitude of the velocity just as it strikes the ground?
c. What is the work done by the force of gravity on the ball while the ball is travelling upward?
d. What is the total work done by the force of gravity on the ball?
Physics: Simple Harmonic Oscillator, Traveling waves are set up in a pair of long strings by a simple harmonic oscillator. The strings have identical mass densities of 5.1 grams/meter.
At t = 0, a stone is dropped from a cliff above a lake; 1.3 seconds later another stone is thrown downward from the same point with an initial speed of 31 m/s. Find the height of the cliff
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A gas is kept at constant pressure. If its temperature is changed from 15 to 145°C, by what factor does the volume change
Three electric charges QA= q, QB = -q, and QC = -2q are located at the points, what is the value of the electric potential at the origin
Explain by how much time elapses while the auto moves the 180 ft? If the acceleration is constant, how much time elapses while the auto moves the 180 ft.
An element in its solid phase forms a cubic crystal lattice with mass density 7950 kg/m^3. What is the element's atomic mass number
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A 94.07 cm-long steel string with a linear density of 1.02 g/m is under 273.01 N tension. find the wavelength of the sound wave that reaches your ear
The speed of sound in air is 332 m/s at 0°C. It increased 0.60 m/s for each degree above zero. compute the speed of sound at the temperature of the room.
a 57 kg researcher absorbs 6.3*10^8 neutrons in a workday. The energy of the neutrons is 2.6 MeV. What is the equivalent dosage of the radiation exposure
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