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a wooden block is cut into two pieces one with three times the mass of the other a tiny depression is made in both
a container of gas molecules is at a pressure of 2 atm and has amass density of 17 grams per liter all of the molecules
a box contains 10000 gas molecules 7500 of argon and 2500 of nitrogen in thermal equilibrium the molecular weight of
assume the coefficient of static friction between the road and the tires on a car is 0801 and the car has no negative
assume that you achieved static equilibrium with f2200 newton and theta2120o keeping the force and angles of f1 and f3
a a 1920 kilogram car accelerates uniformly from rest to 121 ms in 258 second determine the work done on the car in
a ball is shot from the top of a building with an initial velocity of 18 ms at an angle of 42o above the horizontala
a sled of mass 500 kilogram is pulled along flat snow-covered ground the kinetic friction coefficient is 010 and the
a 16 centimeter tall object is 30 centimeter to the left of a lens with a focal length of 15 centimeter a second lens
a 713 kilogram elevator starts from rest it moves upward for 359 second with a constant acceleration until it reaches
a 520 kilogram ice skater spins about a vertical axis through her body with her arms horizontally outstretched making
a certain star is 186 light years awaya find how long would it take a spacecraft traveling 950c to reach that star from
a wire 100 meter long carries a current of 140 amp and makes an angle of 300 degree with a uniform magnetic field of
a marble radius 10 centimeter and mass 80 gram rolls without slipping down a ramp of vertical height 20 centimeter
a 114 gram hockey puck sent sliding over ice is stopped in 149 meter by the frictional force on it from the icea if its
two billiard balls of identical mass undergo a perfectly elastic head-on collisionif one balls initial speed was 250 ms
two coils of wire are located close together initially a current of 373 amp exists in one of the coils but there is no
a tennis ball is dropped from 113 meter above the ground it rebounds to a height of 0821 meter the acceleration of
a hoodlum throws a stone vertically downward with an initial speed v0 from the roof of a building a height h above the
a proton moving freely in a circular path perpendicular to a constant magnetic field takes 130micros to complete one
a 2000 kilogram car traveling at 90 kmh crashes into an immovable concrete walla determine the time of collision
a 21gram sample of copper is at 12oc if 1663 joule of energy is added to the copper find what is its final temperature
a 10 kilogram piece of metal specific heat of 04 calgoc having a temp of 87oc is added to 3 kilogram of water having a
a man heats up a can of soup on a stove if he does 200 joule of work on the soup by stirring it as the burner adds 950
an object of mass 8 kilogram and charge 11 c is in a constant electric field of 18 nc find the magnitude of