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a 700 kg hanging weight is connected by a string over a pulley to a 400 kg block that is sliding on a flat table if the
a particle undergoing simple harmonic motion has a velocity v1 when the displacement is x1 and a velocity v2 when the
a diffraction grating of 3400 slits percent meter is used to analyze the spectrum of mercurya discover the angular
playing shortstop you pick up a ground ball and throw it to second base the ball is thrown horizontally with a speed of
a 2300 kilogram car moving at 15 ms collides with a bridge abutment which stops it in 056 second find the magnitude of
light of wavelength 420 nm is incident normally on a film of water 10 microm thick the index of refraction of water is
a charge of q is placed at the origin while an identical charge is placed on the x axis at x 050 meter a third charge
a horizontal circular platform rotates at a rate of 120 revolutions per minute if a 330 kilogram kid sits on the
a series rcl circuit contains a 30-mh inductor 150-w resistor and 120-mf capacitornbsp the rms current in the circuit
a student tries to raise a chain consisting of three identical links each link has a mass of 240 gram the three piece
the capacitance of a capacitor is 150uf the rms current in the circuit is 002a when the frequency of the generator is
a football is thrown toward a receiver with an initial speed of 162 ms at an angle of 356 degree above the horizontal
a 120kg cart starts down a ramp with a speed of 150 ms the ramp is 0750m high inclined at an angle of 12 degrees by
two identical pieces of rope 10 m long have mass per unit length mu 010 kgm one of the two is soaked in water and
a 20 kilogram wood block is launched up a wooden ramp that is inclined at a 30 degree angle the blocks initial speed is
an electron have a kinetic energy of 180 x 10-17 joule it moves on a circular path that is perpendicular to a uniform
a piece of wood is 0600 m long 0250 m wide and 0080 m thick its density is 600 kgm3 what volume of iron rhoi 78 x 103
an engine is being used to raise an 89 kilogram crate vertically upward if the output power of the engine is 1620 w
a conical pendulum consists of a 06 kilogram mass attached to a 75 centimeter string that is at an angle of 37o with
water rhow 1000 kgm3 flows during a horizontal cylindrical pipe of radius 00200 m the pipe bends upwards and climbs
a 10 kilogram lead ball is dropped from a height of 30 m and it hits the floor at a speed of 20 ms suppose the ball is
a soccer ball is released from rest at the top of a grassy incline after 63 sec the ball travels 51m one sec later the
two converging lenses each having a focal length equal to 10 cm are 15 cm apart discover the final image location for
a force of 768 newton stretches a certain spring a distance of 0214 metera find the potential energy of the spring when
a 70 kilogram guy can walk up the 2109 steps to the top floor 440 meter high of the sears tower in 20 minute compute