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a 50 kg box is resting on an inclined surface of 32 degrees the coefficient of friction between the box and the surface
consider 2 similar situations first a snow sled is initially traveling with a velocity along horizontal snow and comes
a gas undergoes a cyclic process as shown in the figure above this gas has gamma 14 in the diagram a has volume va
find the magnitude of the force needed to accelerate a 280 g mass with a -0255 ms2 i0395 ms2 j i already know that
an oscillator has a maximum speed of 13 ms when it is 060 m from the equilibrium position its speed is 50 ms what is
you cool a 1950-g slug of red-hot iron temperature 7640degc by dropping it into an insulated cup of negligible mass
observer s detects two flashes of light a big flash occurs at x1 1700 m and 711 mus later a small flash occurs at x2
what impuse is needed to change the speed of a 10 kg object from 16 ms to 255 ms in a time of 5s how much force is
a railroad car of mass 12000kg is traveling at a speed of 60 ms when it collies with an identical car at rest thte two
a 0250 kg ball of plasticine moving 50 ms overtakes and collides with a 03000 kg ball of plasticine traveling in the
what is the impulse due to a force r that causes the speed of a 46 g golf ball to change from 0 to 600 ms in 050
an object of mass m 592-kg is suspended from the ceiling by a string of length l 336-cm and mass m 114-g i flick the
a simple pendulum oscillates with period te 161-s on earth i take the pendulum to planet x and find the oscillation
a spring with spring constant k 16-nm and length l 254-cm has masses m 17-g attached at each end of the spring and
one day the relative humidity is 90 and the temperature is 25 degrees celsius how many grams of water will condense out
an electron is in an infinite square well that is 89-nm wide the ground state energy of the electron is closest toa
1 a 1950 kg satellite is in a circular orbit of 26273 miles 42300000 m in radius the force keeping the saellite in
what is a crystallographic generator matrix how does this relate to symmetry
a thin pole extends straight up from the bottom of a clear pond 2 m deep the pole extends 12 m above the surface of the
two children 30kg and 50kg sit on opposite ends of a 4m longuniform see-saw with mass 80kg how far from the center
a submerged butterfly valve a vertically oriented circular butterfly valve 2m in diameter has a horizontal axis passing
three charges are arranged in an equilateral triangle 10 cm on a side q1 -3 nc and is at 0 cm 0 cm q2 6 nc and is
to tighten a bolt you push with a force of 65 n at the end of a wrench handle that is 026 m from the axis of the bolt
john amp barry are pulling on a fence post with ropes while their friend pat uses a chain saw to sheer it at ground