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all surfaces are frictionless and the pulleys mass is negligible mass m1250 kilogram is hanging vertically and m2400
state a chunk of dry ice co2s weighing 45g is sealed inside a 2 l soda bottle initially containing 1 bar of air explain
a mass of 920 kilogram is pulled along a horizontal surface by a constant force of f840 newton directed 300o above the
a light source of wavelength lambda illuminates a metal and ejects photoelectrons with a max ke of 100ev a second light
suppose an ideal gas initially at 07bar and 13 l is compressed at constant temperature to a volume of 07 l explain what
a block weighing 22 newton is held at rest against a vertical wall by a horizontal force of magnitude 60 n the
a parachutist with a camera descends in free fall at a speed of 11 ms the parachutist releases the camera at an
a vehicle starts from rest and travels for 50 second with a uniform acceleration of 18 ms2 the driver then applies the
while lifeguarding jenny is twirling a whistle in uniform circular motion next to herself the whistle is moving in a
two friends are watching a bird flying above them and recording its location in time the first finds that rb12t2i 5t
a bus is traveling at a speed of 250ms along a level road a crate is resting on the bed of the bus and the coefficient
assume that you wish to fabricate a uniform wire out of 0850 gram of copper suppose the wire has a resistance r 0500
a football is thrown horizontally from the top of a building 010 kilometer high the ball strikes the ground at a point
a toroid having a square cross section 100 cm on a side and an inner radius of 170 cm has 550 turns and carries a
a rectangular block of metal of resistivity rho has dimension d x 2d x 3d a potential difference v is to be applied
a rolling ball has the initial velocity of 16ms with fix acceleration of 033ms2 obtain the final velocity after
a metallic wire has a diameter of 412 millimeter when the current in the wire is 800 amp the drift velocity is 540 x
your pet bats joe bob and curly love coffee unfortunately after their saturday morning cups of coffee you are horrified
a squirrel drops an acorn from a tree branch 8 meter from the ground compute how long is the acorn in the air when it
a 1500 kilogram van starts from rest and drives around a flat 50 meter diameter circular track the forward force
a patient recovering from surgery has been given fluid intravenously the fluid has a density of 1030 kgm3 and 95 x 10-4
the speed of an ion in a particle accelerator is doubled from 0460c to 0920c the initial relativistic momentum of the
a find the voltage output of a transformer used for rechargeable flashlight batteries if its primary has 500 turns its
how many molecules are in a volume of 1 m3 at a pressure of 2 atmospheres at a temperature of 0oc how many moles is
a duck is floating on a lake with 25 percent of its volume beneath the water find what is the average density of the