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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
the drawing shows three materials a b and c a ray of light strikes the andashb interface at an angle that now hardly
the owner of a van installs a rear-window lens that has a focal length of -0340 m when the owner looks out during the
a paddle wheel frictionally adds thermal energy to an ideal monatomic gas in a sealed insulated container the paddle
a dentist utilizes a mirror to examine a tooth that is 075 cm in front of the mirror the image of the tooth is formed
a pitched ball is hit by a batter at a 45 degree angle and now clears the outfield fence 98 meters away suppose that
a particle of mass 981 g and charge 651 muc moves during a uniform magnetic field in a region where the free-fall
how would i set up the equations to derive the equations of motion for a projectile that experiences a resistive force
a pen contains a spring by a spring constant of 200 nm when the tip of the pen is in its retracted position the spring