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entropy arrow of timewhy did the universe have such low entropy in the past resulting in the distinction between past
suppose that two stars in a binary star system are separated by a distance of 80 million kilometers and are located at
during a phase -measuring em survey the resultant em field was observed to have an amplitude 78 of that of the primary
1 russia has recently started a push for stronger smoking regulations much like those in western countries concerning
sand drops at the rate of 2000 kgmin from the bottom of a hopper onto a belt conveyor moving horizontally at 250 mmin
the block m11 kg sliding on a flat frictionless surface is connected by a string over a pulley to the hanging block
a cricket bowler can bowl a 158 g ball at 147 kmhr calculate the kinetic energy of this bowl and use this to compare to
you are trying to push a crate across the rough floor of a warehouse just before the crate begins to move you have
a wheel of mass 080kg and radius 030m is rolling without slipping up a plane 15 degrees to the horizontal at some
a car driving at 350 ms takes 26 minutes to travel a certain distance according to the drivers clock in the car how
a spring with a spring constant k 2 nm is used to project a mass around a loop of radius r2m to what minimum distance
a company has to decide whether to invest money in the development of a microbiological product the companys research
a reservoir of carbon tetrachloride ccl4 has a mass of 500 kg and a volume of 0315m3 find the carbon tetrachloride
after an impact involving a non-functioning satellite a paint chip leaves the surface of the satellite at a velocity of
mario is doing pull-ups about 1 meter from the end of the hour hand of a clock on the big ben tower in londonmario
an 800kg roller coaster car is launched horizontally from a giant spring k 35 knm rolls 10 m and them goes thru a
a canoeist can paddle a maximum speed of 64 ms in still water the canoeist starts on the north shore of the river and
a towed caravan of mass 600 kg is attached by a ball hitch to a car they are driven round a corner of 35 m radius the
part a-convert the equation-d3ydx3 - 2 middot dydx - 1 middot x middot y 0and initial conditions y0 100279 y0 113313
a lorry of mass 38000 kg starts up a hill of gradient 1 in 12 the constant acceleration is 006 ms2 and resistance to
a school bus heading east through a small town accelerates as it passes the sign post at s 0 marking the city limits
define molar specific heat of a gas at constant volume cv and constant pressure cp obtain the ratio cpcv for a hydrogen
take a hollow plastic ball dia 3 cm to 5 cm using a needle pass a thread of about 105 cm along a diameter of the ball
jed was driving his car at 40kmhr on a subdivision where the speed limit is 20km hr he was spotted by an officer in a
determine how much farther a person can jump on the moon as compared to the earth if the takeoff speed and angle are