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the block in the figure has a mass of 15kg the top angle the incline is 37 degrees and there is no friction on the
on a greasy essentially frictionless lunch counter a 0290 kg submarine sandwich moving 380 ms to the left collides with
a ball bearing is released from a height of 1m to a metal plate explain how you would determine the fractional loss in
a skier starts from rest at the top of a 42m hill skis down a 43 degree incline in to a valley and continues up a 24 m
a 140-kg block slides with a speed of 0950 ms on a frictionless horizontal surface until it encounters a spring with a
discuss the advantages and disadvantages of nuclear physics do you know anything about nuclear waste from nuclear power
what is the application of photo electric effect what is line spectrum and continuous spectra and what are their
a bicycle wheel of radius 04 m is spinning at a rate of 45 revolutions per minute1 what is the period of the wheels
a highway curve has a radius of 114 m at what angle must the road be banked so that a car traveling at 267 ms has no
in a cathode ray tube electrons are accelerated from rest with a constant electric force of magnitude 645 x10nbspnbsp
two flat pieces of glass that each has a length l 200 cm are arranged by a fiber between them the setup is illuminated
light of wavelength 590 nm and light of unknown wavelength both pass during two narrow slits 0600 mm apart the screen
a kling on spacecraft has a speed of 075c with respect to the earth the kling on measure 370 h for the time interval
a particle known as a pion lives for a short time before breaking apart into other particles suppose it is moving at a
a lowly high diver pushes off horizontally by a speed of 277 ms from the edge of a platform that is 100 m above the
a light plane attains airspeed of 500 kmh the pilot sets out for a destination 820 km due north but discovers that the
a steel ball 140 gm is fired at 120 ms-1 toward a nether steel ball 4 kg on a smooth frictionless surface draw a
a diver shines an underwater searchlight at the surface of a pond n 133 at what angle relative to the surface will the
two equal charges of 300 mc lie along the x-axis one is at the origin and the other is 20m from the origin discover the
assume four protons were at the corners of a squarenbsp the length of each side of the square is 152 x 10-9mnbsp if q1
two cannons are pointed directly towards each other one on the ground pointing upwards a second on a hill pointing
a whale swims due east for a distance of 69 km turns around and goes due west for 18 km and finally turns around again
a dog and a sled are moving due east together with a velocity of 20ms vi 20 ms the dog with a mass of 20 kg or md
a worker is testing a multiple pulley system to estimate the heaviest object that he could lift the largest downward
a sample of a radioactive isotope has an initial activity at time t 0 of 0500 mci at time t 512 d the activity is