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a body of mass 29 kg makes an elastic collision by another body at rest and continues to move in the original direction
a hockey puck with mass 0160 kilogram is at rest on the horizontal frictionless surface of a rink a player applies a
a vehicle of mass 1420 kilogram traveling at 20 ms is at the foot of a hill that rises 120 meter in 2 kilometer at the
a submarine is designed to withstand an absolute pressure of 33 atmnbsp to what depth can it dive in fresh water if it
find the maximum acceleration a car can undergo if the coefficient of static friction between the tires and the ground
a bullet of mass 6 g strikes a ballistic pendulum of mass 18 kg the center of mass of the pendulum rises a vertical
a boulder of mass 45 kilogram is pushed on a surface with a coefficient of sliding friction of 0855 n find what force
two lenses the first by focal length 100 cm and the second with focal length -125 cm are separated by 200 cm an object
a ball traveled 188 meter before landing on the floor outside the ball parka suppose the ball initial velocity was 45o
when armature is rotated by half revolution its magnetic polarity changes why is it necessary to change the polarity of
hydraulics is used on many cars for operating brakes the normal force among the brake pads and rotor needs to be
a rocket of mass 371 times 105 kilogram is in flight near earths surface its thrust is directed at an angle of 672
the solution uses on 450 nm and 525 nm however there is a 3rd gap in the problem 630 nm is there a reason why this
a perfectly flat thin piece of glass n15 that is 6cm long and 2cm wide is placed over a perfectly flat piece of black
we wish to design an ac generator using an armature on which is wound a flat tight rectangular coil 800 cm x 200 cm of
two blocks are connected by a wire that has a mass per unit length of 850 x 10-4 kgm one block has a mass of 190
two loudspeakers are placed on a wall 300 m apart a listener stands 300 m from the wall directly in front of one of the
squaw valley ski area in california claims that its lifts can move 45800 persons per hour if the average lift carries
a raindrop of mass 335 x 10-5 kilogram falls vertically at stable speed under the influence of gravity and air
a gasoline engine by an efficiency of 040 generates 1800 w of power if a liter of gasoline has an energy content of 37
light is an electromagnetic wave and travels at a speed of 300 x108 ms the human eye is most sensitive to yellow -green
a satellite of mass m 229 kilogram is in circular orbit around the earth at an altitude equivalent to the earths mean
assume that you wish to fabricate a uniform wire out of0800 g of copper if the wire is to have a resistance r 0400
assume that the terminal speed of a particular sky diver is 180 kmh in the spread eagle position and 305 kmh in the
a light rail train going from one station to the next on straight section of the track accelerates from rest at 14 ms2