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find the minimum mass to replace the block of mass m 103 kg in the figure below such that the block of massm 222 kg
find the thickness of film of a camera lens coating that minimizes normal reflection in the wavelength range 400 nm to
1 a truck accelerates from rest on horizontal ground and its speed as a function of time follows the equation 15t - 2t2
1 an object stretches a string 12 inches in equilibrium find its displacement for t gt 0 if its initially displaced 3
1 a 10 kg mass stretches a spring 70 cm in equilibrium suppose a 2 kg mass is attached to the spring initially
1 a 96 ib weight stretches a spring 32 ft in equilibrium it is attached to a dashpot with damping constant c18 lb-secft
ip laboratory measurements show that an electron traveled 350 cm in a time of 0210ns what is the electrons speedin the
an isolated metal sphere of radius 235 cm is at a potential of 3700 v what is the charge on the spheredetermine the
a jack-in-the-box undergoes simple harmonic motion after it pops out of its box with a frequency of 40 hz and an
james and sarah stand on a stationary cart with frictionless wheels the total mass of the cart and riders is 130 kg at
jet approaches at 160e2 ms on the jet its engine whines at 80e2 hz what frequency does the whine sound to a standing
for a jetliner to arrive at its destination on time it must fly with a velocity of 555 mph on a heading of 38 degrees
in june 1985 a laser beam was sent out from the air force optical station on maui hawaii and reflected back from the
a kid at the junior high cafeteria wants to propel an empty milk carton along a lunch table by hitting it with a 30 g
to keep the calculations fairly simple but still reasonable we shall model a human leg that is 920cm long measured from
the ladder has a mass of 50kg and is 40m long and 10 radians above the horizontal surfacea construct a free-body
a very large plastic sheet carries a uniform charge density of -600ncm2 on one facefind the spacing between
a large electromagnetic cool is connected to a 120-hz as source the coil has resistance 410 ohms and at the reactance
a particle moving in a straight line covers half the distance with speed of 3ms the other half of the distance is
problemhere is a displacement-time graph of an object which is not moving with simple harmonic motion but it is still
problemhere is a displacement-time graph of an object moving with simple harmonic motion what is the frequency of the
problemsimple harmonic motion shm is a technical term used to describe a certain kind of idealised oscillation
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