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a police officer investigating an accident estimates from the damage done that a moving van hit a stationary van at 27
a bucket with a mass of 30 kilogram is suspended by a rope that is wrapped around a cylinder the cylinder has a mass of
a gas sample has a volume of 541ml when at 65 degree c and 760 mm hg thus what is the volume in milliliters will it
a bicycle wheel has a diameter of 66 centimeter and a mass of 20 kilogram suppose the wheel has the characteristics of
an unstable particle at rest breaks up into two fragments of unequal mass the mass of the lighter fragment is 270 x
a 15 meter 478 newton uniform ladder rests against a frictionless wall making an angle of 600 degree with the
a body of mass 4 kilogram moves in a plane its position vector is given by riasinomegatjacos2omegati draw the part of
a 14 kilogram 15 centimeter diameter solid sphere is rotating about its diameter at 70 revmina determine what is its
in acidic solution fe3 a weak oxidizing agent can oxidize iodide ion to iodine i2 by conversion to fe2 without
a 1100 nf capacitor with circular parallel plates 10 centimeter in diameter is accumulating charge at the rate of 230
a car of mass 1 ton and a small pick-up of mass 2 ton approaches an intersection at right angles they collide and the
a bullet of mass m1 is fired horizontally with a speed v into a bob of ballistic pendulum of mass m2 determine the
a uniform helicopter rotor blade is 740 meter long and has a mass of 110 kilogram and is attached to the rotor axle by
a small insect viewed through a convex lens is 10 centimeter from the lens and appears five times its actual size
an object with a height of 223 centimeter is located 376 millimeter to the left of a lens with a focal length of 350
you are driving home on a weekend from school at 55 miles per hour for 110 miles it then starts to snow and you slow to
a runner ran the marathon approximately 420 kilometer in 2 hours and 57minutes calculate what is the average speed of
find what is the magnitude of the acceleration of a speck of clay on the edge of a potters wheel turning at 44
a bowling ball is released at the upper edge of a ramp that is inclined at an angle of 37o with the floor the ramp is
a merry-go-round in the park can be considered a circular disk of mass 100 kilogram and a radius of 20 meter a student
a spring with k 53 nm hangs vertically next to a ruler the end of the spring is next to the 15 centimeter mark on the
determine what is the minimum work needed to push a 1275 kilogram car 290 meter up along a175 degree inclinea ignore
water flows straight down from an open faucet the cross-sectional area of the faucet is 160 x 10-4 m2 and the speed of
a packing crate is placed on a 20 degree inclined plane if the coefficient of static friction between the plane and the
a boy pulls a 20 kilogram box with a 50 newton force at 37 degree above the horizontal surface the coefficient of