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a uniform disk with a mass of 840 g and radius 170 cm is rotating on frictionless bearings with an rotational speed of
a 925 n crate rests on the floora how much work is required to move it at constant speed 54 m along the floor against a
a rotating wheel requires 800 s to rotate 260 revolutions its angular velocity at the end of the 800-s interval is 970
the drawing shows a person weight w 598 n l1 0829 m l2 0409 m doing push-ups find the normal force exerted by the
the diameters of the main rotor and tail rotor of a single-engine helicopter are 758 m and 098 m respectively the
you are at the controls of a particle accelerator sending a beam of 300times107 protons mass at a gas target of an
a potters wheel moves uniformly from rest to an angular speed of 023 revs in 310 sa find its angular acceleration in
at one instant the center of mass of a system of two particles is located on the x-axis at x 20 and has a velocity of
an air-filled parallel plate capacitor with a plate spacing of 120 cm has a capacitance of 500 f the plate spacing is
a parallel-plate air capacitor of area a170cm2 and plate separation d340mm is charged by a battery to a voltage 560 v
a charged particle moves in a region of uniform magnetic field along a helical path radius 40 cm pitch 20 cm period
at the start of a cd it is spinning at a rate of 569 rpm revolutions per minute just as the cd finishes playing it is
a fully charged capacitor with a voltage of 120 v is discharged through a resistora what is the voltage across the
a texas cockroach of mass 0168 kg runs counterclockwise around the rim of a lazy susan a circular disk mounted on a
a 876 kg particle with velocity is at x 394 m y 940 m it is pulled by a 865 n force in the negative x direction about
a laser is mounted on a table 110m above the ground pointed at a vertical mirror a horizontal distance 360m away the
if 438 cm of copper wire diameter 102 mm resistivity 169 x 10-8middotm is formed into a circular loop and placed
a 150 mw laser pulse is focused with a lens to a diameter of 499 m what is the laser beams electric field amplitude at
a 210-kg load is hung on a wire of length of 480 m cross-sectional area 200 10-5 m2 and youngs modulus 800 1010 nm2
a thin uniform rod is hinged at its midpoint to begin with one half of the rod is bent upward and is perpendicular to
the electric field midway between two equal but opposite point charges is 745 nc and the distance between the charges
a lawnmower is pushed up a 13 degree hill the lawnmower weighs 5000n it moves at a constant velocity the hill exerts a
a solid sphere with a radius of 070 m can be rotated about an axis through its center by a torque of 105 n m which
water is flowing through a v-shaped weir which has a 30deg vertex the flow rate is 70 x 104 kgs and the speed of the