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An automobile having a mass of 900Kg initially moves along a level highway at 100 Km/h relative to the highway. It then climbs a hill whose crest is 50m above the level highway and parks at a rest area located there. For the automobile, determine its change in kinetic and potential energy, each in kJ. For each quantity, kinetic and potential energy, specify your choice of datum and reference value at that datum. Let g = 9.81 m/s2.
A 130 block on a frictionless table is firmly attached to one end of a spring with = 40. The other end of the spring is anchored to the wall. A 21 ball is thrown horizontally toward the block with a speed of 6.6.
The Cosmic Background Radiation Outer space is filled with a sea of photons, created in the early moments of the universe. What is the peak frequency of this radiation
A 500g glider on an air track is at rest, and is attached to a spring with a spring constant of 10 N/m. What is the amplitude and period of the resulting oscillations
question two capacitors are connected in parallel across the terminals of a battery. one has a capacitance of 2.0
light with a wavelength of 600nm (6*10-^7m) strikes a single slit that is 0.5 mm (5*10^-4m) wide. How wide is the central bright fringe of this diffraction pattern
A nitrogen molecule is confined in a cubic box of volume 1.00 m3. Assuming that the molecule has an energy equal to 3/2kT , what is the value of n=(n_x^2+ n_y^2 +n_z^2)^1/2 for this molecule? What is the energy separation between the levels n and n +..
A capacitor with capacitance C = 4.10·10^-6 F is connected to an AC power source having a peak value of 6.0 V and f = 130 Hz. Find the reactance of the capacitor
Steam moves into the cylinder of a steam engine at a constant pressure and does 9.650 J of work on a piston. What is the pressure of the steam
A coil has 2.72 ? resistance and 0.405 H inductance. If the current is 4.92 A and is increasing at a rate of 4.42 A/ s, what is the potential difference across the coil at this moment
A high-voltage transmission line with a resistance of 0.32 /km carries a current of 1000 A. What is the power loss due to resistance in the line
An atom in a solid vibrates at 13 THz with amplitude 13 pm. Find the atom's maximum acceleration
If this lens is then immersed in water with a refractive index of 1.33, what will the focal lens of the lens be in this environment
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