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1 as far as an astronomer is concerned a metal referstoa any elementb any element excepthydrogenc any element
determine the force exerted by mars on the sun what is the acceleratopm of mars what is the acceleration of the
tarzan swings on a 310 m long vineinitially inclined at an angle of 370deg with the verticala what is his speed at the
a horizontal wire carries a current i180 a a secondwire is suspended parallel to it if the second wire carries 20 aand
a 210 kg box is released on a370deg incline and accelerates down theincline at 0273 ms2 find thefriction force impeding
a transformer consisting of two coils wrapped around an iron coreis connected to a generator and a resistor as shown in
a particle p with mass 12 kg has positionvector r r 65 m and velocity v v 50 msas shown in the figure it is acted on
a small 0500-kg object moves on a frictionless horizontal table in a circular path of radius 100 m the angular speed is
a conductor bar ab of length 06 m is moving on two conductingrails with a speed v 36 ms perpendicular to a uniform
a merry-go-round of radius 30 m initially at rest is givena constant tangential push for 15s after the push
a magnetic field of strength 027 t is directed perpendicular to a plane circular loop of wire of radius25 cm find the
a ferry boat is traveling in a direciton 351onorth of east with a speed of 512ms relative to the water a passenger is
assume a water strider has a roughly circular foot of radius002 mma what is the maximum possible upward force on the
a 89 kg man lying on a surface of negligible friction shoves a 88 g stone away from himself giving it a speed of 35 ms
in february 1955 a paratrooper fell 370 m from an airplane withoutbeing able to open his chute but happened to land in
you hold two tuning forks oscillating at 294 hz you give oneof the forks to your friend who walks away at 150 ms what
a cylindrical wheel disk of mass 10 kg andradius 05 meters is released from rest while sitting on aninclined plane of
a large aquarium of height 419 m is filled with fresh water to adepth of d 160 m one wall of the aquarium consists
a 20 kg wood ball hangs from a 20 meter long wire the maximum tension the wire can withstand without breaking is 400 n
at what temperature does a carbon resistor have a resistance of 995ohms if it has a resistance of 1000 ohms at 20
perhaps to confuse a predator some tropical beetles are colored by optical interference that is due to scales whose
a car of mass 2000 kg rounds a circular turn of radius 10 m if the road is flat and the coefficient of static
a 60 cm long steel rod with a diameter of 4 cm is mated to a 40 cm long cu rod with the same diameter the unmated end
a high diver of mass 70kg jumps off a board 10 meters above the water if the diversdownward motion is stopped in 10
total required annual electrical energy output from the wind farm 120 tjmax number of turbines for which there is space