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an old chrysler with mass 2650 kg is moving along a straight stretch of road at 75 kmh it is followed by a ford with
a non rotation cylyndrical disk of moment of inertiai is dropped onto an identical disk roating at angular speed w
suppose that three astronauts outside a spaceship decide to play catch all three astronauts have the same mass and are
a motorcycle traveling with a constant acceleration of 20 ms sq crosses a 100 m long bridge in 423 sec what was the
a woman holds a tube of lipstick 8 cm from a spherical mirror and notices that the image of the tube is upright and one
a heat engine operates in a carnot cycle between 830degc and 348degc it absorbs 21005 j of energy per cycle from the
a particular engine has a power output of 600 kw and an efficiency of 280 assume the engine expels 7000 j of energy in
you are at the controls of a particle accelerator sending a beam of 360times107 ms protons mass at a gas target of an
a heat engine operates between a reservoir at 28degc and one at 432degc what is the maximum efficiency possible for
a string is vibrating at a frequency of 500hz and the distance between two successive nodes is 0250 m what is the speed
a satellite is in a circular orbit about the earth m598 x 1024 kg the period of the satellite is 140 x 104 s what is
a motor cycle rider moving with an initial velocity of 80 ms uniformly accelerates to a speed of 17 ms in a distance of
a jaguar car can accelerate from 0 to 60 mph in 4 sec what is the average acceleration during this time
in a circus performance a monkey is strapped to a sled and both are given an initial speed of 40 ms up a 20 degree
a riffle with a mass of 300kg fires a bullet with a mass of 350 x 10 -3 kg at a speed of 330 ms what is the recoil
a railroad car of mass m 2000kg and speedinitial velocity vo 850 ms collides and couples to another car of equal mass
a particle of mass 475 kg moves from rest at t 0 under the influence of a single force of magnitude 500 n calculate
a student moves a 350 kg box up a ramp inclined at 12 degrees with the horizontal if the box starts from rest at the
a wheel starts at rest and takes 300 s to rotate 370 revolutions at which points its angular velocity is 980 radsec
a mass m45 kg is attached to the vertical spring with k200 nm and is set into motionwhat is the frequency of the
if the detector moves toward the source vd is positive if the source moves toward the detector vs is positive a train
standing at a crosswalk you hear a frequency of 590 hz from the siren of an approaching ambulance after the ambulance
jupiter has a radius of 71492km and a mass of 19x1027 kg jupiters moon has a mass of 9x1022kg and orbits at a distance
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a fan blade rotates with angular velocity given by wztr-b t2 for the next two parts assume that the constants and are