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water is circulating through a closed system of pipes in a two floor apartment on the first floor the water has a gauge
the density of ice is 917 kgm3 and the density of seawater is 1025 kgm3 a swimming polar bear climbs onto a piece of
a man who weighs 675 newton is riding a 98 n mountain bike assume the entire weight of the rider and bike is supported
a gust of wind blows an apple from a tree as the apple falls the force of gravity on the apple is 943 newton downward
a freight train has a mass of 29000000 kilogram if the locomotive can exert a constant pull of 530000 newtons find how
a girl is skipping stones across a lake one of the stones accidentally ricochets off a toy boat that is initially at
if the speed of a car is increased by 60 percent find by what factor will its minimum braking distance increased
you testify as an expert witness in a case involving an accident in which a car slides into a car that was stopped at a
while running in a cross country meet a member of women team of sju dissipates about 035 joule of mechanical energy per
a toy chest and its contents have a combined weight of 180 newton the coefficient of static friction between the toy
an athlete swings a 360 kilogram ball horizontally on the end of a rope the ball moves in a circle of radius 0960 meter
assume that the coefficient of friction between your feet and the floor while wearing socks is 0250 knowing this you
a satellite is found to be in an orbit about planet x such that the period of the orbit matches the rotational period
assume you are sent in a satellitea find how far above the surface of the earth you would lose 12 of your weightb to
a circular loop area 020 m2 turns in a uniform magnetic field with b 013 t at an instant when the angle between the
a chair of weight 100 newton lies atop a horizontal floor the floor is not frictionless you push on the chair with a
a sideshow barker claims that the star of the show can throw a 73 kilogram olympic-style hammer faster than a speeding
a 21 kilogram mass is connected to a spring with spring constant k 150nm and unscratched length 18 centimeter the pair
a grinding wheel in the shape of a solid disk is 0220 meter in diameter and has amass of 250 kilogram the wheel is
a long distance runner has an average speed of 4ms calculate how far has runner gone in 48
an airplane of mass 1800 kilogram and flying at 540 kmh loops the loop in a circle of radius 250 meter when at the
a 2 kilogram block is released from rest on a 45 degree incline and slides a distance of 15 meter down the incline in 2
an automobile moving at 15 ms is approaching a factory whistle that has a frequency of 500 hertz find what is the
the sound intensity from a rock band is measured to 120 db at a distance of 10 meter determine what is the sound
a ball is projected with a speed 238 ms from a bridge that is 4907 meter above the water use energy techniques to find