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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
weather observation stations are generally much more closely spaced over land than over ocean speculate on how this
the speed of sound in air is approximately 340 ms the speed of sound in steel is approximately 5900 ms if your friend
calculate the current in amperes a flowing through the following two circuits given the followingvoltage 125 vr1 15
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
1 what types of molecules are most abundant in the earths atmosphere2 what color is scattered the most do we see this
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what are the answers to these questionsname the metal used to shield x-rays operators from the radiation give a reason
explain what is newtons law of inertia also known as newtons first
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a 16-mm-diameter wire carries a 20 a current when the electric field is 83times10-2 vm what is the wires
1 a mass of 25 kg is attached to a spring that has a value of k equal to 600 n m-1 a determine the value of the damping
questiontwo manned satellites approaching one another at a relative speed ofnbsp0400nbspms intend to dock the first has
where are the sources of uncertainty when using a ruler and
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
what is gravitydefine the centre of gravity and state why buses with loads on topare likely to fallan object of weight
choose a technology device that makes use of the em spectrum next explain how this device works using terminology
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
is the centripetal acceleration of mars in its orbit around the sun larger or smaller than the centripetal acceleration
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
if a car is traveling at 75 ms and then stops over 650 meters while sliding what is the coefficient of kinetic function
if one object has a greater speed that a second object does the first necessarily has a greater acceleration explain