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a ferry can travel at an optimal speed of 8 kmh in stillwater measured relative to the shore what is the optimal speed
which of the following statements is not a correct assumptionof the classical model of an ideal gasa the molecules are
a 200 g bullet strikes a0592 kg block attached to a fixedhorizontal spring whose spring constant is 669 103 nmand sets
a ball is dropped from rest from the top of a building of height 10m at the same instant a second ball is
a hollow cylinder hoop is rolling on a horizontal surface atspeed v 45 ms when itreaches a 10deg inclinea how far up
two identical clocks are synchronized one is then put in orbit directed eastward around the earth while the other
a laser emits light at power 300 mwand wavelength 633 nm the laser beam is focused narrowed untilits diameter matches
a certain lightbulb filament when hot has a resistance of205 omega the potential difference across the filament at
two parellel plates of area 100 cm2 are given charges ofequal magnitudes 89 x 10 -7 c but opposite signs the electric
charges q and q are placed on the x axis at x 0 and x 20m respectively if q -40 pc and q 30 pc determine the net flux
a truck is moving at 150 kmh and approaches a stationary policecar that has a radar speed detector operating at 15 ghz
consider a parallel-plate capacitor with an area of 09 cm2 with a plate spacing of019 mm and filled with quartz at what
a parallel-plate capacitor has square plates of edge length11 cm and a plate spacing of009 mm if the gap between the
the magnetic field perpendicular to a single132 cm diametercircular loop of copper wire decreases uniformly from 750 t
an underwater scuba diver sees the sun at an apparent angle of280deg from the vertical what is actual direction of the
the frames s and s are in the standard configeration with relativevelocity 08c along ox what are the corrdinatesx1 y1
a bucket filled with water has a mass of 37 kg and is hanging froma rope that is wound around a stationary cylinder of
a small box with mass 0250kg is attached to a string passingthrough a hole in a frictionless horizonatal surface the
a 5086 n window washer is standing on a uniform scaffold supported by a vertical rope at each end the scaffold weighs
a pair of closely spaced square conducting plates measure12 cm on a side the electric field energydensity between the
the magnitude of the dipole moment associated with an atom ofiron in an iron bar is 21 10-23jt assume that all the
a person of mass 75 kg stands at the center of a rotatingmerry-go-round platform of radius 25m and moment of inertia
a small 600 g ball on the end of athin light rod is rotated in a horizontal circle of radius16 ma calculate the moment
a flywheel 0600 m in diameter pivots on a horizontal axis arope is wrapped around the outside of the flywheel and a