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a mass of .150kg is attached to a spring with a force constant of 3.58 N/m and undergoes simple harmonic oscillations. What is the period of the oscillations?
A particle of mass, m, trapped in a 1-d box of length, L,has energies with: En = (h^2 pi^2/ 2mL2) x n^2, What type of radiation is this
q. 1 a 1600 car travelling at 20 suddenly runs out of gas while approaching the valley that looks like an inverted
nichrome wire of cross-sectional radius 0.786 mm is to be used in winding a heating coil. if the coil must carry a
A contestant on "Survivor" is challenged to find buried treasure in a featureless desert. For how long should she run in order to retrieve the treasure
In a performance test, each of two cars takes 9.40s to accelerate from rest to 25 m/s. Car A has a mass of 1288 kg, and car B has a mass of 1767 kg. Find the net average force that acts on (1) car A and (2) car B during the test.
A 900- kg car collides with a 1300- kg car that was initially at rest at the origin of an x-y coordinate system. What was the initial speed of the lighter car
A hydrogen-like atom has electron energy levels given by E n = -18.00 eV 1/n2 with n =1, 2 and 3 (only).
a child and a sled with a combined mass of 50 kg slide down a frictionless slope. what is the height of the hill
In a constant-volume process, 201 J of energy is transferred by heat to 0.97 mol of an ideal monatomic gas initially at 306 K. Find the increase in internal energy of the gas
In fair weather, over flat ground, there may be a downward electric field of 125 N/C. find the total charge on the Earth and the charge per unit area
Two small charges with a mass of 1.0 g each are connected by 2.0-cm-long insulating rod of negligible mass. What is the dipole moment of the rod?
a television antenna is on the roof of the building. from a pt. on the ground 36.0 feet from the building the angle of
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