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on her way to visit grandmother red riding hood sat down to rest and placed her 17-kg basket of goodies beside her a
a generator connected to an rlc circuit has an rms voltage of 120v and an rms current of 34ma if the resistance in the
an object of mass of 20 kg hangs from an ideal massless spring with a spring constant of 50 nm an oscillating force f
a mass of 390 kg is suspended from a 155 m long string it revolves in a horizontal circle as shown in the figurethe
three wires are connected at a branch point one wire carries a positive current of 16 a into the branch point and a
a thin converging lens is found to form an image of a distant building 24 cm from the lens if an object is placed 16 cm
the terminal voltage of a certain battery is measured with the battery disconnected and is found to be 630 v the
there is a second sphere identical to the first except that its center is hollowed out so that it is empty from r 0 to
on a roller coaster ride the total mass of the cart - with passengers included - is 305 kg peak k is at 475 m above the
a 477 kg girl is standing on a 127 kg plank the plank originally at rest is free to slide on a frozen lake which is a
gamma-ray bursters are objects in the universe that emit pulses of gamma rays with high energies the frequency of the
when on the ground ians weight is measured to be 646 n when ian is on an elevator his apparent weight is 743 n what is
a 46-n lithograph is supported by two wires one wire makes a 27deg angle with the vertical and the other makes a 12deg
a possible means of spaceflight is to place a perfectly reflecting aluminized sheet into earth orbit and use the light
a catcher catches a 145 g baseball traveling horizontally at 380 mshow large an impulse does the ball give to the
a circular saw blade 0200 m in diameter starts from rest in 800 s it reaches an angular velocity of 150 rads with
your little sister mass 250 kg is sitting in her little red wagon mass 835 kg at rest you begin pulling her forward and
on a frictionless air track a 0140 kg glider moving at 135 ms to the right collides with and sticks to a stationary
the froghopper philaenus spumarius holds the world record for insect jumps when leaping at an angle of 580m above the
suppose you have a gamma ray photon of wavelength 00001 nm that hits a muon if the exiting gamma ray comes out at 30deg
water is flowing at 400 ms in a horizontal pipe under a pressure of 225 kpa the pipe narrows to half its original
a muon is an elementary particle that can be interpreted as the electrons big brother its mass is 206768 times that of
one kilogram of water vapor as an ideal gas is filled in a frictionless piston-cylinder assembly the piston can move
consider a rankine cycle with water as the working fluid superheated vapor enters the turbine at 480degc and 100 bar