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question a flywheel weighing 70 lb was allowed to swing as a pendulum about a knife-edge at the inner side of the rim
question a connecting rod weighing 2135 n oscillates 53 times in 1 min when suspended as shown in fig determine its
question a flywheel of mass m is suspended in the horizontal plane by three wires of 1829-m length equally spaced
question a wheel and axle assembly of moment of inertia j is inclined from the vertical by an angle a as shown in fig
question a cylinder of mass m and mass moment of inertia jo is free to roll without slipping but is restrained by the
question a chronograph is to be opera ted by a 2-s pendulum of length l shown in fig a platinum wire attached to the
question a hydrometer float shown in fig is used to measure the specific gravity of liquids the mass of the float is
question a spherical buoy 3 ft in diameter is weighted to float half out of water as shown in fig the center of gravity
a 16-kg projectile is fired from level ground the vertical component of the initial velocity is 44 ms and the
a 5 kg ball ball a traveling to the right at 4 ms collides with a 2 kg ball ball b at rest after the collision the 2 kg
a motor spins a disk idisknbsp 251 kgm2 with a torque of 40 nm and a 18 n frictional force acts on the disk at a radius
a galaxy cluster in ursa major has a recessional velocity of 15000 kms using 73 kmsmpc for hubbles constant find the
how much electrical energy is needed to heat the water in a hot water heater with a capacity of 40 gallons from 60degf
calculate the overall efficiency to produce light in a fluorescent lamp from electrical energy derived from a nearby
anbsp40-kg child runs at 8 msa calculate the childs kinetic energyb if the child could convert all of the kinetic
an antacid tablet weighing 0949 g contained calcium carbonate as the active ingredient in addition to an inert binder
a record on a turn table rotates with initial speed 35 rads making three turns before stopping a what is its angular
an engine takes 5 seconds to go from its idling speed of 600 revmin to 1200 revmin a what is its angular acceleration b
a vinyl record 30cm in diameter turns through an angle of 200 degrees how far does a point on the edge of the record
a power plant is designed to generate 80 mw of work 980x106nbspjs the plant is powered by steam at 765k with the
what is the efficiency of an engine that has 2200 j of heat added during combustion and loses 1000 j of heat in the
you walk on level ground 05 km east then 2400 m south and then climbs to the top of a building that is 1850 m tall what
a 840 kg girl lowers herself to the ground from a height of 86 m by holding onto a rope running over a pulley to a 300
pilots and astronauts are tested for the stresses of flying high-speed aircraft in a spinning human centrifuge a device
the coefficient of friction kinetic between a rubber tire and a wet concrete road is 05 a find the minimum time in