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a river has a steady speed of 0500 ms a student swimsupstream a distance of 100 km and swims back to the startingpoint
a sample of gold of volume 20010-5 m3 is available to make a wire if the length of the wire is to be 500 cm and all the
a gamma-ray telescope intercepts a pulse of gamma radiation froma magnetar a type of star with a spectacularly
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an antelope moving with constant acceleration covers thedistance 750 m between two points in time 600 s its speed as it
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a car with a total mass of 165103 kg has wheels ofradius 350 cm and moment ofinertia 0760 kg middotm2 suppose that the
in an atom smasher 2 particles collide head on atrelativistic speeds if the velocity of the 1st particle is0741c to the
a particle in a 702m-long particle accelerator is moving at0875c how long does the particle accelerator appear to the
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a uniform rod rotates in a horizontal plane about a vertical axis through one end the rod is 600m longweighs 110n and
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a 290 kg lump of aluminum isheated to 920degc and then dropped into 730 kg of water at 500degc assuming that
two protons and and alpha particle are held at rest at the cornersof an equilateral triangle whose side length
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a uniform rod rotates in a horizontal plane about a vertical axisthrough one end the rod is 600m longweighs 110n and