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a projectile is fired vertically from earths surface with aninitial speed of 10 kms neglecting air drag how far above
a man runs with a speed of 6 ms off a platform that is 10 mabove the water how fast is he moving when he hits the water
a solid cylindrical object has a mass of 20 kg a diameter of010m and a length of 018m what is the moment of inertiaof
heat is extracted from a certain quantity of steam at 100degrees c as a result the steam changes into ice at 00degrees
calculate the cenrtripetal acceleration of the earth in itsorbit around the sun and the net force exerted on the earth
a commuter train blows its horn as it passes a passengerplatform at a constant speed of 400ms the train horn sounds at
a satellite has a mass of 5900 kgand is in a circular orbit 30105 m above the surface of a planet the period of
adolf and ed are wearing harnesses and are hanging from theceiling by means of ropes attached to them they are face to
a point charge q is imbedded at the center of a sphere oflinear dielectric material with susceptibility and radiusr
a cylindrical diving bell 200 min diameter and 500 m tall with anopen bottom is submerged to a depth of 220 m in the
a power boat of mass 500 kg iscruising at a constant speed of 89 ms the propeller provides adrive force of 765 n the
a dolphin locatedin sea water at a temperature of 25degc emits a sound directedtoward the bottom of the ocean 200
a guitar string produces 4 beatssecond when sounded with a250hz tuning fork and 9 beatssecond when sounded with a 255
an ore sample weighs 1750 n in air when the sample issuspended by a light cord and totally immersed in water thetension
the record for the highest speed achieved in alaboratory for a uniformly rotating object was 201103 ms for a015-m long
a 30g bullet strikes a 650kg block attached to a fixedhorizontal spring whose spring constant is 590x103nmand sets it
a glass block n 156 is immersed in aliquid a ray of light within the glass hits a glass-liquid surfaceat a 630deg
a tuning fork vibrates at a frequency of 520 hz an out-of-tune piano string vibrates at528 hz how much time separates
a 2400-kg satellite is in a circular orbitaround a planet the satellite travels with a constant speedof 667x10 3 ms
when water is boiled under a pressure of 200 atm the heat ofvaporization is 220 x 106 jkg and the boling point is
a cylindercontains a mixture of helium and argon gas in equilibrium at atemperature of 149degca what is the average
a certain string just breaks when it is under400n of tension a boy uses this string to whirl a 10-kgstone in a
an unknown tuning fork is sounded along w a tuning fork whosefrequency is 256hz and a beat frequency of 3 hz is heard
suppose you have two ice cube traysone is filled with hot water and the other with cold water which tray will produce
a simple pendulum is 400 m longa what is the period of simple harmonicmotion for this pendulum if it is hanging in an