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the position of a particle is given by x 39 cos pi t where x is in meters and t is in seconds1 discover the speed and
two disks are rotating about the same axis disk a has a moment of inertia of 36 kgmiddot m2 and an angular velocity of
a costume jewellery pendant made of cubic zirconia is submerged in oil a light ray strikes one face of the zirconia
an aluminium wire of length l1 600 cm cross-sectional area 100 x 10-2 cm2 and density 260 gcm3 is joined to a steel
molecule of dna deoxyribonucleic acid is 223 microm long the ends of the molecule become singly ionized negative on one
a sprong-loaded toy gun shoots a 20g plastic ball what is the launch speed if the sprong constant is
two protons are placed at a 579 cm above and below the x axis at x 0 an electron is placed along the x axis a
an electron is released from rest at the negative plate of a parallel plate capacitor the charge per unit area on each
decoherence times can be estimated and are inverse functions of mass since there are no upper bounds on mass can
a solar furnace is a device that concentrates the suns light on a small point to heat it up to high temperature one can
a particular nucleus has a radius of 49010-15 m and a mass of 90010-26 kg1 what is its mass per unit volume of this
according to noethers theorem all conservation laws originate from invariance of a system to shifts in a certain space
a rocket fires two engines simultaneously one produces a thrust of 700n directly forward while the other gives a thrust
what are the practical limits on generated wavelength in a magnetronwe know that magnetrons could be utilized
the rms speed of a sample of gas is increased by 11 what is the percent change in the temperature of the gas2 what is
a 50c charge experiences a 053-n force in the positive y direction if this charge is replaced with a 27c charge
three positive particles of equal charge 170 uc are located at the corners of an equilateral triangle of sides 150 cm
a mole moves in its tunnel and its velocity is explained with the equationvt 015t ndash 0032tnbspnbspnbsp 2 for the
two sinusoidal waves of the same period and with amplitudes of 35 and 60 mm travel in the same direction along a
a man stands at the midpoint among two speakers that are broadcasting an amplified static hiss uniformly in all
a kid on the edge of a spinning merry-go-round is going to get off of it three dissimilar ways draw angular momentum
a carnival merry-go-round has a large disk-shaped platform of mass 120 kg that can rotate about a center axle a 60 kg
a tire 0450 m in radius rotates at a constant rate of 190 revmin discover the speed and acceleration of a small stone
an astronaut on a strange planet discovers that she can jump a maximum horizontal distance of 170 m if her initial
mayan kings and many school sports teams are named for the puma cougar or mountain lion felis concolor the best jumper