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a gymnast does a one arm handstand the humerus may beapproximated as a 32 m long cylinder with an outer radius of 12
department alpha had no beginning inventory the department added direct materials of 100000 and conversion costs of
two 1 mhz radio antennas emitting in-phase are separated by600 m along a north-south line a radio reciever placed 2
a block and tackle consisting of two fixed pulleys and one moveable pulley is used to lift a stone weighing 1200 n the
a 200 kg body is pulled up an inclined plane 15 m long and 5 m high the force required to pull the body up the plane at
a motor rotating a gringing wheel which is 5m in radius isrotating at 60 revminwhat is the initial speed of the
a sphere of radius 10m and a mass of 5kg is rotated from restto achieve a rotational speed of 20 radsec in 10 secswhat
the space shuttle releases a satellite into a circular orbit 765 above the earth how fast must the shuttle be moving
a skier starts from rest at the top of a frictionless inclineof height 200m at the bottom pf the incline the skier
during a tennis serve a racket is given an angularacceleration of magnitude 160 rads2 at thetop of the serve the racket
a stretched string of length l is plucked at a position l5 by producing an initial displacement h and then releasing
the pulmonary artery which connects the heart to the lungshas an inner radius of 28 mm and is82 cm long if the pressure
the electric potential difference between the ground and a cloud in a particular thunderstorm is 93 x 109 v what is the
1 a wire has a cross-sectional area of 55times10-6 m2 in a time of 37 s 58 c of charge flows through it what is the
in the ground state of hydrogen theuncertainty in the position of the electron is roughly 010nm if the speed of the
a charge q is uniformly distributed around a thin plastic ring with radius r lying in a yz plane with the ring center
a hydraulic lift has pistons with diameters 785 cm and 365 cmrespectively if a force of 825 n is exerted at the input
a 45 kg woman stands up in a 60 kg canoe of length 5 metersshe walks from a point 1 meter from one end to a point 1
an 844 kg man is standing at the rear of a 425 kg iceboatthat is moving at 416 ms across the ice that may be considered
a block of wood weighs 500 n whenweighed in air a sinker is attached to the block and the weightof the wood-sinker
a walkway suspended across a hotellobby is supported at numerous points along its edges by a verticalcable above each
a circuit contains six 219 o lamps with 60-w bulbs and a 94 o heater connected in parallel the voltage across the
an x-ray photon with a wavelength of 0110 nm scatters from a free electron at restthe scattered photon moves at an
a 430 kg box is sliding across the horizontal floor of an elevator the coefficient of kinetic friction between the box
consider n moles of an ideal monatomic gas placed in a vertical cylinder the top of the cylinder is closed by a piston