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a large 60g hailstone of ice at 00 celsius falls 150m and undergoes a completely inelastic collision with the eartha
a circular area with a radius of 740 cm lies in the x-y plane 1 what is the magnitude of the magnetic flux through this
a hunter wishes to cross a river that is 21 km wide and that flows with a speed of 38 kmh the hunter uses a small
a bicycle tire of radius 038 m has a piece of gum stuck on its rim what is the angle through which the tire rotates
if cholesterol build-up reduces the diameter of an artery by 15 what will be the effect on blood
a uniform board is leaning against a smooth vertical wall the board is at an angle above the horizontal ground the
a patient is to be given a blood transfusion the blood is to flow through a tube from a raised bottle to a needle
the figure below shows particles 1 and 2 each of mass m attached to the ends of a rigid massless rod of length l1 l2
a pilot flying a constant 215 kmh horizontally in a low-flying helicopter wants to drop secret documents into his
a small block with mass m1 rest on a frictionless horizontal tabletop a distance r1 from a hole in the center of the
a vertical solid steel post of diameter d 30 and length l 300 is required to support a load of mass m 7700 you can
a lab centrifuge with radius 11cm turns at 77 revs what should be its angular acceleration for a point at the 11cm
a track has a height that is a function of horizontal position x given by hx x3 2x2 14x 16 find all the positions
a ball falls straight down onto a wedge that is sitting on frictionless ice the ball has a mass of 333 kg and the wedge
a laser beam is traveling through an unknown substance when it encounters a boundary with air the angle of reflection
to determine the muzzle velocity of a bullet fired from a rifle you shoot the 357-g bullet into a 247-kg wooden block
two identical diverging lenses are separated by 15 cm the focal length of each lens is -80 cm an object is located 40
a bicyclist climbs a 20km long hill that makes an angle of 70deg with the horizontal the total weight of the bike and
calculate the earthrsquos radiative temperature te for an albedo value of 027 030 and 033 then estimate the surface
the centers of a 800kg lead ball and a 150g lead ball are separated by 800cm what gravitational force does each exert
a pole vaulter vaults over the bar and falls onto thick padding he lands with a speed of 98ms the padding then brings
a uniform ladder 100 m long is leaning against a frictionless wall at an angle of 600deg above the horizontal the
a uniform cylindrical pulley of mass m127 kg and radius r0636 m rotates freely about a fixed horizontal axis a block of
a 40-m-long iron bar of uniform cross section is held perpendicular to the wall by a wire from the end of the bar to
a simple pendulum makes 140 complete oscillations in 250 min at a location where g 980 ms2a find the period of the