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the figure below shows a resistor of resistance r 616omega connected to an ideal battery of emf 149 v bymeans of two
a billiard ball of radius a and mass m is initially spinningcounterclockwise about a horizontal axis with angular
an astronomical telescope for hobbyists has an angularmagnification of -210 the eyepiece has a focal length of 386 mma
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a 2575-kg can runs into the back of an 825-kg compact car at rest they move off together at 85 ms assuming that the
in a ballistics test at the police department officer rios fires a 60gram bullet at 350ms in to a container that stops
golf rocky strikes a 0058-kg golf ball with a force of 272 n and gives it a velocity of 620 ms how long was rockys
an electric motor can accelerate a ferris wheel of moment ofinertia 10100 kg middot m2 from rest to 124 revmin in 133
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fossilized ichthyosaurusremains enable us to estimate their volume if we assume that a 3 cubic metre icthyosaurus was
a person is 18 m tall standing upright his heart is 14m above his feet he is doing a head stand calculate the
a block of mass m sliding on a frictionless table isattached to a string that passes through a narrow hole through
an arrow starting from rest leaves the bow with a speed of250ms if the average force exerted on the arrow by the
in an experiment a rectangular block with height h is allowed to float in two separate liquids in the first liquidwhich
a solenoid has a cross-sectional area of 560 x 10-4 m2consists of 500 turns per meter andcarries a current of 04 a a 10
four very thin rods each 90 m long are joined to form a squarethe center of mass of the square is located at the
a 323cm diameter coil consists of 19turns of circular copper wire 200mm in diameter the resistivityof copper is
a dilute ideal gas of atoms each of mass m at temperature tau is placed in a cetrifuge rotating with angular velocity
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maricru slides a 600-kg crate up an inclined ramp that is20-m longg and attached to a platform 10 m above floor level
the flywheel of a steam engine runs with a constant angular speedof 150 revmin when steam is shut offthe friction of
starting from rest a solid steel sphere rolls from the top of an incline to the bottom reaching a translational speed
a 129 komega resistor and a capacitor are connected in series andthen a 120 v potential difference is suddenly applied
62 a 170-kg crate is to be pulled a distance of 200 m requiring1210 j of work to be done if the job is done by