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the rms speed of a sample of gas is increased with 121 what is the percent change in the temperature of the gas2 what
assume a planet has an atmosphere of pure ammonia at 00deg c what is the rms speed of the ammonia
an airplane flies eastward and always accelerates at a constant rate at one position along its path it has a velocity
oasis b is 80 km due east of oasis a starting from oasis a a camel walks20 km in a direction 150deg south of east and
you have three identical charged spheres each with a charge of 350 microc you have arranged them so they are each at
the drawing shows two situations in which charges are placed on the x and y axes they are all located at the same
a litre of water is utilized to cool some electronics if 1000 joules of heat is given off by the electronics by what
a 10cm x 10 cm x 10cm block of steel steel 7900 kgm3 is suspended from a spring scale the scale is in newtonrsquos1
an air-traffic controller observes two aircraft on his radar screen the first is at altitude 1200 m horizontal distance
a 0028g plastic bead hangs from a lightweight thread another bead is fixed in position beneath the point where the
stopped organ pipea 135 cm long organ pipe is stopped at one end and open at the other near the open end there is a
a commuting student leaves home and drives to school at an average speed of 380 kmh after 250 min he realizes that he
for a spherical celestial object of radius r the acceleration due to gravity g at a distance x from the center of the
determine what is the linear speed of jupiter in its orbit about the sun give your answer in meters per second consider
determine what is the linear speed of the earth in its orbit about the sun give your answer in meters per second
two negative point charges are separated by 100cm and feel a mutual repulsive force of 155n the charge of one is three
a helicopter leaves its base and travels 190 km north after a brief stop it flies 378 km south pauses briefly and then
a water supply maintains a constant rate of flow for water in a hose you want to change the opening of the nozzle
a 120 kg child is standing at rest on a frozen pond the child throws a 15 kg block initially at rest on a level
a 120 kg child is standing at rest on a frozen pond the child throws a 125 kg block horizontally to the east by speed
an electric force moves a charge of 200e-4 c from point a to point b and performs 581e-3 j of work on the charge what
1 two forces of 2 and 3n respectively make an angle of 50 degrees with each other determine the resultant analytically
in table salt-sodium chloride nacl-the naand cl- ions are arranged in a cubic crystal structure you can observe in this
a boat capable of making 60 kmh in still water is utilized to cross a river flowing at speed of 40 kmh the boat is
a small plastic ball of mass 975times10-3 kg and charge 0198c are suspended from an insulating thread and hangs among