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the identical twins speedo and goslo join a migration from theearth to planet x it is 200 light-years away in a
a rope is wrapped around a wheel of diameter 50cm the wheelis mounted with a frictionless bearing on an axle through
standing on the sidewalk next to your parked car you hear thesiren of an approaching fire engine the transmitted
a hollow sphere of radius 050 m withrotational inertia i 0026 kgm2 about a line through its center of mass
workers pushing a 180 kg trunk across a level floor encounter a 10m long region where the floor becomes increasingly
air that initially occupies 016 m3 at a gaugepressure of 100 kpa is expanded isothermally to a pressure of 1013kpa and
a 1400 kg car enters a passing zone and accelerates from 70kmh to 95 kmh to pass a slower car how much work must be
a child slides down a snow covered slope that makes an angle of 20 degrees with the horizontal if the coefficient of
gasoline flows through a horizontal pipeline with a flow rateof 25 ft3min a pressure gauge measures thepressure to be
a coil with an inductance of 23 h and a resistance of 10 is suddenly connected to an ideal batterywith script e 130
assume that a certain concave spherical mirror has a focal length of 100cm locate the image and find the magnification
a light beam traveling through air enters a slab with n 250 at a 45ordm angle with respect to the normal then exits the
the combination of an applied force and a constant frictional forceproduces a constant total torque of 356nmiddotm on a
a runner of mass m 37 kg and running at 28 ms runs asshown and jumps on the rim of a playground merry-go-round which
the maximum speed of a 32-kg mass attached to a springis 065 ms and the maximum force exerted on the mass is11 na what
a 10 g bullet movinng horizontally with a speed of 18 kms strikes and passes through a 5kg block initially at rest on a
a thin glass n 147converging lens for which the radii of curvatureare r1 150 cmand r2 -13 cm to the left of the lens
20 kg of ice melts into liquid water at 0 c what is the change of entropy of the ice
a cannon is placed on the ground and angled 3687 above thehorizon to shoot a balloon wich is 500 meters away the
a tiny motor mounted on a toy car operates across two d-cells inseries if it draws 005 a how much power does it drain
the acceleration of a particle is defined by the relation a -kradicv where k is a constant the particle starts at time
a lead ball is dropped into a lake from a diving board550 m above the water it hits the waterwith a certain velocity
a uniform electric field of magnitude 410nc pointing in the positive x-direction acts on anelectron which is initially
two pianos each sound the same note simultaneously but they areboth out of tune on a day when the speed of sound is 342
two point charges 300 microc and -610 microc are separated by150 m what is the electric potential midway between