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a 10kg mass and a 20kg mass are connected by a light stringover a massless frictionless pullya if g98ms2 what is the
two automobiles are equipped with the same single-frequency hornwhen one is at rest and the other is moving toward an
what is the lift in newtons due to the bernoulli principle on awing of area 875 m2 if the air passes over thetop and
when a 936 kg block is placed on top of avertical spring the spring compresses 403 cm find the force constant of the
in a hydraulic lift the radii of the pistons are 125 cm and100 cm a car weighing 165 kn is to be lifted by the force of
a hockey puck is hit on a frozen lake and startsmoving with a speed of 13 ms exactly500 s later its speed is 41 mswhat
light from a sodium lamp has yellow components at 5895923 nm and 5889953 nm how far apart will these two lines be on a
a laser wavelength 600nm passes through a 244mm circularapertue and hits a screen 1km away what is the diameter of the
a satellite moving in an elliptical orbit is 357 km above earths surface at its farthestpoint and 184 km above at its
two girls go fishing in row boat joy whose mass is 65kg jumps straight off the front of the boat with speed of 200ms
as a parallel-plate capacitor with circular plates 19 cm in diameter is being charged the current density of the
a parallel-plate capacitor with circular plates of radiusr is being discharged the displacement current through
why if the potential is constant on a surfacethen any electric field present can only beperpendicular to that surface
the problem states that initially the wire coil is oriented perpendicular to a magnetic field of 063t pointing upnbsp
the capacitance of a capacitor depends ona the energy stored in itb the charge on itc the potential difference across
astronomers discover a binary star system that has a period of870 days the binary star system consists of two
a woman who weighs 482 n is leaning against a smooth vertical wallas the drawing shows find athe magnitudeof the force
a mass spectrometer has an adjustable magnetic field when themagnetic field is 7000e-2 t a singly ionizedhydrogen atom
a 50 kg wooden block is placed on an adjustable wooden inclinedplane hint for wood onwood mus is approximately 58and
a rigid rod of mass m3 is povited at point a and masses m1 and m2 are hanging from it as shown point a l1 m3 l2 m1 m2 a
two planets are orbiting a star in a distant galaxy the first hasa semimajor axis of 150 times 106 km an eccentricity
a solid cube of mass 40kg and edge length 30mrests on a horizontal floor a person then pushes on the upper edgeof the
a transformer with 2 coils wrapped around an iron core is connected to a generator and a resistor there are 13 turns
a dentist uses a mirror to examine a tooth that is 075 cm in front of the mirror the image of the toothis formed 90 cm
you are designing a lathe motor part of which consists of a uniform cylinder whose mass is 90 kg and whose radius is