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atoms such as sodium typically give line spectra as opposed to continuous spectra given that such spectra are due to
the femur is a bone in the leg whose minimum cross-sectional area is about 43 x 10-4 m2 a compressional force in excess
a small ball is attached to one end of a spring that has an unstrained length of 0152 m the spring is held by the other
the substance with the weakest interparticle forces intermolecular is the one with a boiling point ofa 100 deg cb 78
an automobile has a mass of 1840 kg and a velocity of 150 ms it makes a rear-end collision with a stationary car whose
ethyl acetate liquid flask with ethyl acetate with the top cover with aluminium paper with small whole in the top and
a 490 g bullet is fired horizontally at two blocks resting on a smooth tabletop as shown in the top figure the bullet
given the equation xeg 3f2g xef6s how many moles of fluorine f2 are used during the formation of 3 moles of xenon
a ball is rolling down a ramp when it passes a particular point you determine that the ball is traveling at an angular
a 500 kg snowboarder has an initial velocity of 200 ms at the top of a 26o incline after sliding down the 100m incline
a string is wrapped many times around a pulley and is connected to a block with mb 5711 kg that is hanging vertically
a toy of mass 0155 is undergoing simple harmonic motion shm on the end of a horizontal spring with force constant 295
scientists want to place a 44000 kg satellite in orbit around mars they plan to have the satellite orbit at a speed of
a pulley with a radius of 100 cm is mounted on an axle that passes through the center of the pulley the axle allows the
you are researching personal watercraft pwc safety these vehicles have a well known safety issue in which the rider
given the reaction 2als 3h2so4aq --gt al2so43 aq 3h2g what volume of h2 gas measured at stp will be produced from 540
a 0477 kg block of wood hangs from the ceiling by a string and a 00680 kg wad of putty is thrown straight upward
a frictionless block of mass 235 is attached to an ideal spring with force constant 250 at the spring is neither
an artillery shell of mass 1000 kg lying at rest on the ground accidentally detonates exploding into three pieces of
if the molar of a binary compound has a molar mas between 145 and 160 amu and contains 5298 oxygen and the balance
when a cannon with a longer barrel is fired the force of expanding gases acts on the cannonball for a longer distance
a 300 kg block is released from rest at the elevated end a of a frictionless track that slopes down to a point b and
a white billiard ball with mass mw 143 kg is moving directly to the right with a speed of v 342 ms and collides
calculate the number of joules of heat required to change 850 grams of water at 25 degrees c to steam at 100 degrees c