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a 160-m uniform ladder weighing 490 n rests against a frictionless wall the ladder makes a 650deg angle with the
a small sphere with a mass of 0002g and carrying a charge of 510-8c hangs froma thread near a very large charged
a compressor operates at steady state with refrigerant r134a as the working fluid the refrigerant enters at 24 bar 0oc
steam enters a nozzle operating at steady state with p 40 bar and t 400oc and a velocity of 10 ms the steam flows
a when the block just touches the spring how much gravitational potential energy has it lost give your answer as a
a person holds a 142-n baseball in his hand a distance of 340cm from the elbow joint as shown in the figure the biceps
a man pulls a block of mass m 23 kg up an incline at a slow constant velocity for a distance of d 55 m the incline
a bat strikes 0150 kg baseball just before impact the ball is traveling horizontally to the right at 505 ms and it
find the rms voltage across each element in an rlc circuit with r 98kilo ohms c 017microf and l 25mh the generator
an ac voltmeter which displays the rms voltage between the two points touched by its leads is used to measure voltages
a space vehicle is traveling at 4450 kmh relative to the earth when the exhausted rocket motor is disengaged and sent
an ac generator with a frequency of 150hz and an rms voltage of 225v is connected in series with a 150kilo ohms
mary mass 33 kg likes to slide too on a nearby playground there is a straight metal slide with a vertical drop of 20 m
the vibrational energy levels of an hbr molecule are ek c k frac12 where c 5 middot 10ndash20 joules and k 0 1
a 0400 kg glider is moving to the right on a frictionless shyhorizontal air track with a speed of 0900 ms when it makes
consider a container with a partition in the middle the container is thermally isolated from the environment initially
the mass of a regulation tennis ball is 580 g although it can vary slightly and tests have shown that the ball is in
a railroad flatcar of weight 7840 n can roll without friction along a straight horizontal track initially a man of
a 300-m long rod is hinged at one end the rod is initially held in the horizon position and then released as the free
a 414-cm diameter disk rotates with a constant angular acceleration of 230 rads2 it starts from rest at t 0 and a line
a bimetallic strip is made out of two strips of metal bonded together each strip is 200 cm long and 100mm thick 1 strip
two slits separated by a distance of d 0110 mm are located at a distance of d 241 m from a screen the screen is
one point-like charge of 20 nc sits at the center of a thick spherical shell of inner radius 4 cm and the outer radius
a fire hose 4 cm in diameter is capable of spraying water at a velocity of 20 ms for a continuous horizontal flow of
a 115microf capacitor is connected to an ac generator with an rms voltage of 170v and a frequency of 1500hz what is the