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a 300 n box is placed on a frictionless inclined plane that makes a 220deg angle with the horizontalif a rope were tied
a 004-kg baseball traveling in a horizontal direction with a speed of 16 ms hits a bat and is popped straight up with a
what is the smallest thickness of a soap film that would appear black if illuminated with 470 nm light assume there is
a projectile of mass 20 kg approaches a stationary target body at 50 ms the projectile is deflected through an angle of
a duffel bag of mass 15 kg slides down a 35o incline with an acceleration of 11 ms2 as showna calculate the normal
a proton moves at 10x107 ms perpendicularly to a uniform magnetic field it experiences an acceleration of 20x 1013 ms2
a proton moves eastward in the plane of earths 5x10-5 t magnetic equator so that its distance from the ground is
in rutherfords famous scattering experiment alpha particles helium nuclei were fired at 20 x 107 ms over a large
a 62-kg astronaut is in space far from any objects that would exert a significant gravitational force on him he would
two electrons in the same atom both have n 9 and 3 keep in mind that the electrons are indistinguishablea how many
an electron in the beam of a typical television picture tube is accelerated through a potential difference of 20000 v
a mass m1 170 kg and a mass m2 105 kg are suspended by a pulley that has a radius of 98 cm and a mass of 31 kg see
at a winter fair a 655-kg stunt man is shot from a horizontal cannon that rests at the edge of a frozen lake the human
a cat is stuck in a tree you are designated with the job to get it out yet you do not want to climb the tree because
a solid disk rotates in the horizontal plane at an angular velocity of 0049 rads with respect to an axis perpendicular
a tightrope walker is practicing she is balanced on a rope at the exact midpoint of the rope the tension in the rope is
a 120 kg scaffold is 66 meters long it is hanging with two wires one from each end a 540 kg box sits 1 meter from the
the side-view mirror of an automobile has a radius of curvature of 150 cm the mirror produces a virtual image one-third
a proton is shot at 4 times 107 ms toward a gold atom with a mass 197 times that of the proton and deflects it straight
dan is gliding on his skateboard at 30 ms he suddenly jumps backward off the skateboard kicking the skateboard forward
a car is moving on a flat horizontal circular track of radius 120 m the speed of the car is constant 15ms the mass of
three identical train cars coupled together are rolling east at 16 ms a fourth car traveling east at 44 ms catches up
a uniform marble rolls down a symmetric bowl starting from rest at the top of the left side the top of each side is a
a capacitor with capacitance c 410middot10-6 f is connected to an ac power source having a peak value of 60 v and f