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a 412 g lead bullet moving at 300 ms strikes a steel place and stops if all its kinetic energy is converted to thermal
an aluminum airplane has a wingspan of 1143 m on the ground where the temperature is 27 degrees c how much shorter will
steps and reasons needed1 a hermetically sealed box has a mixture of two gases in it namely nitrogen gas and helium gas
a train is approaching a signal tower at a speed of 40 ms the train engineer sounds the 1000 hz whistle and a switchman
a submarine in neutral buoyancy is 100 m below the surface of the watera draw a sketch of this scenariob what air
weather observation stations are generally much more closely spaced over land than over ocean speculate on how this
a 349 rads 33nbsprpm record has a 510-khz tone cut in the groove if the groove is located 0100 m from the center of the
a steel cable has a cross-sectional areanbsp213 times 10-3nbspm2nbspand is kept under a tension ofnbsp235 times
if the normal force perpendicular to a surface what happens to the magnitude of the normal force of an object as the
you walk up to a mountain that has two paths one leads to the other side of the mountain and the other will get you
the speed of sound in air is approximately 340nbspms the speed of sound in steel is approximately 5900nbspms if your
what are the answers to these questionsname the metal used to shield x-rays operators from the radiation give a reason
the speed of sound in air is approximately 340 ms the speed of sound in steel is approximately 5900 ms if your friend
a radioactive atom at rest in the lab decays sending two smaller nuclei in opposite direction one fragment has a mass
an fm signal has a carrier frequency of 200 khz a modulating frequency of 2 khz and a frequency deviation of 3 khz
questiontwo manned satellites approaching one another at a relative speed ofnbsp0400nbspms intend to dock the first has
give me the answers to these questions pleasea current f 070a flows thrugh a wire when a pd of 035v is applied at the
a 085kg ball attach to the end of a horizontal cord is rotated in a circle of a radius 19m on a friction less
imagine you are traveling in a plane that is moving 3000 south of west 300 kmhr and then a wind from the south at 45
is the centripetal acceleration of mars in its orbit around the sun larger or smaller than the centripetal acceleration
if a car is traveling at 75 ms and then stops over 650 meters while sliding what is the coefficient of kinetic function
calculate the electric field at a distance of 30 m perpendicular to the mid-point of a dipole consisting of point
if a car starts with an initial velocity of 680 ms how long in time will it take to come to a complete stop after a