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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
an object floats with half its volume beneath the surface of the water the weight of the displaced water is 2000 newton
determine the gauge pressure and absolute pressure at a location 15 meter below the surface of sea the density of
at a playground a 202 kilogram child plays on a slide that drops through a height of 219 meter the child starts at rest
at an amusement park a swimmer uses a water slide to enter the main pool if the swimmer starts at rest slides without
it takes 27 days for the moon to orbit the earth in a nearly circular orbit of radius 380 x 105 kilometera show in
a liquid p 165 cm3 is flows through two horizontal sections in the first section the cross sectional area is 10 cm2 and
a 30 newton stone is dropped from a height of 10 meter and strikes the ground with a velocity of 13 ms find what
a metal puck of mass 30 kilogram slides down a curved track starting 4 meter above ground puck is on right side of
a 28 kilogram child initially at rest slides down a playground slide from a height of 30 meter above the bottom of the
a golf balls is hurled at a much heavier bowling ballfind what is the momentum of the golf ball after the collisionfind