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a car travels at a constant speed around a circular track whoseradius is 326 km the car goes once around the track in
a grasshopper jumps a horizontal distance of 100 m from rest with an initial velocity at 450 degree angle with respect
a cannon is fired horizontally from atop a 400 m tower thecannonball travels 145 m horizontally before it strikes the
there is a clever kitchen gadget for drying lettuce leaves afteryou wash them it consists of a cylindrical container
the flywheel of a steam engine begins to rotate from rest with a constant angular acceleration of 147 rads2 it
a juggler throws a ball with an initial horizontal velocity of11 ms and an initial verticle velocity of 57 ms what is
the membrane surrounding a living cell consists of an inner and anouter wall that are separated by a small space assume
three objects are connected on an inclined table as shown in the diagram below the objects have masses 80 kg 40 kg and
a car drives north for 1km then it turns and drives 2 km at 30 degrees south of west finally the driver turns again and
two people are running towards each other they start from rest 100 m apart the person on the left can accelerate at 02
a metal sphere of radius 13 cm has a net charge of 28 x10ndash8 c a what is the electricfield at the spheres surface b
a 02 m3tank equipped with a pressure regulator contains 4 kg saturated mixture of water at 2 mpa the steam is now
a steam turbine is used to test a well insulated air compressor the inlet temperature and pressure of the turbine are 5
two capacitors are identical except that one is empty and the other is filled with a dielectric kappa 450nbsp the
an air source heat pump with a heating cop of 4 is used to heat a house the input rating of the heat pump is 33
two large parallel metal plates carry opposite charges they areseparated by 01 m and the potential difference between
suppose you form a dipole from two point charges with a magnitude of charge q the postive charge is located at the
a particle moves so that its position as a function of time is rt i hat 4t 2 j hat tk hatawrite expressions for its
two runners approaching each other on a straight track haveconstant speeds of 450ms and 350ms respectively whenthey are
a 600kg skier traveling at 200ms reaches the foot of a steady upward 200 degree incline and glides 350m along this
in a certain organic molecule the nuclei of two carbon atoms areseparated by a distance of 035 rm nmwhat is the
a bullet of mass 12 grams is fired into a large block of mass 15 kg suspended from light vertical wires the bullet
in a local bar a customer slides an empty beer mug down the counter for a refill the height of the counter is h the mug
gary rides on a ferris wheel that takes 100 s to go once around the radius of the wheel is 120 ma what is garys
a child complains that her 160 g of milk is too hot at 90 degree c she then pour 80 g of cold milk at 7 degree c in it