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a winch cable of negligible mass has a cross-sectional area of 16 cm2 and a length of 22 m youngs modulus for the cable
particle moves in a plane according to the equations of motion x rsint rt y rcost r where r and are constants the
if a virtual image is formed 100 cm along the principal axis from a convex mirror of focal length -150 cm how far is
an electron is fired into midpoint of a field between two charged plates the initial velocity of the electron is 36 x
a referees whistle operates at 800hza what is the frequency you hear when she is running toward you on the court at 5
a hockey puck that is sliding on an icy surface will eventually stop the horizontal force that will make the puck stop
a 20 gram bullet is fired horizontally into a 400 gram block of wood suspended like a ballistic pendulum the bullet
iron atoms have been detected in the suns atmosphere some withmany of their electrons stripped away what is the net
each croquet ball in a set has a mass of 5 kg the green ball travels at 105ms and strikes a stationary red ball if the
small rockets are used to make small adjustments in the speed of satellites one such rocket has a thrust of 53 n if it
a clay ball with a mass of 35 kg has an initial speed of 42 ms it strikes a 35 kg clay ball at rest and the two balls
waly whacko claims to have invented a heat engine that will revolutionize industry it runs between a hot source at
a plate carries a charge of -311mcwhile a rod carries a charge of 202mchow many electrons must be transferred from the
a 65kg ice skater standing on frictionless ice throws a 15 kg snowball horizontally at a speed of 32ms at what velocity
what is the total charge of the radon nucleus the neutral radon atom has 86electronswhat is the magnitude of the
1 what is the magnitude of the electric field near the surface of a uniformly charged conducting plane if the plane is
a charged particle a exerts a force of 247 mun to the right on charged particleb when the particles are 135 mmapart
a diver springs upward from a board that is three meters abovewater at an instant he contacts the water his speed is
nbspa boy whirls a stone in a horizontal circle 16 m above theground by means of a string 14 m long the angle between
a 420 kg block of ice slides down a plane with an incline of 34deg assuming friction is neglecting what is the
a 100 kg football linebacker moving a 2 ms tackles head on an 80kg halfback running 3 ms assume the two players were
one of the harmonic frequencies of tube a with two open ends is 845 hz the next-highest harmonic frequency is 910hza
a car starts from rest and moves around a circular horizontallevel track of radius 300 m its speed increases at the
an ideal gas is enclosed in a cylinder with a movable piston on topof it the piston has a mass of 8000 g and an area of
the distortion of earths crustal plates is an example of shear ona large scale a particular crustal rock has a shear