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1 the force of attraction that a -400 muc point charge exerts on a 108 muc point charge has magnitude 400 n how far
suppose the thickness of an oil film on water is just the right thickness for canceling red light what color would your
a 9500 kg car traveling at 16 ms strikes a second car the two cars stick together and move off with a speed of 60 ms
can conservation of momentum of momentum relate to action reaction force rule explain
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a hydraulic jack has 2 pistons the smaller piston of area a102 m2 has force f1700n applied to it the force exerted by
suppose the half-life of element k is 20 minutes if you have a 200 g sample of k how much of element k will be left
the heat death of the universe seems to be a logical consequence of the second law of thermodynamics look for
1 a glass camera lens with an index of refraction of 155 is to be coated with a cryolite film n 13 to decrease the
a jaguar left skid marks that were 290 m in length assuming that the jaguar skidded to a stop with a constant
a disk with radius 020m rotates with an angular velocity w10rads what is the magnitude of the linear velocity v for
you are running a recreational event for your town you decide to hold the event at a local park there is a paved path
describe the fluid and electrolyte disorders to which the elderly are particularly susceptiblewhat was the effect of
in a physics laboratory experiment a coil with 150 turns enclosing an area of 138 cm2 is rotated in a time interval of
the electric field strength is 240 x 104 nc inside a parallel-plate capacitor with a 140 mm spacing an electron is
an object is thrown straight down from the top of a building at a speed of 20 ms it hits the ground with a speed of 40
the quantity theory states that the impact of money on nominal gdp can be determined without details about the
to demonstrate interference of sound waves a buzzer is placed in the center of an empty mailing tube that is 080 m long
a battery with an emf of 108 v and internal resistance of 107omega carries a positive current of 0520 a from its
a box of 350n weight is at rest at the bottom of the plank thatis 60m long and rises 30 degree above the ground then
a large piano that weighs 4100 n is to be moved into a house by way of an opening that is 15 m from the ground if the
a 0037 kg aluminum bullet traveling at 461 ms strikes an armorplate and comes to a stop if all its energy is converted
a 200 gm meter stick has two objects attached to it one of 100gm at the 30 cm mark and the other of 300 gm at the 70 cm