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determine what average power in watts needed to raise an 87 kilogram object 5 meters in a time of 12
a horizontal 790 newton merry-go-round of radius 140 meter is started from rest by a constant horizontal force of 55
a circular loop of wire 60 mm in radius carries a current of 100 a at the center of the loop what are the followinga
two automobiles of identical mass approach an intersection one vehicle is traveling with velocity 145 ms toward the
an object is placed at a distance of 40 cm from a thin lens if a virtual image forms at a distance of 50 cm from the
a circular loop of radius 010 m is rotating in a uniform magnetic field of 020 t discover the magnetic flux during the
a 97 kilogram sprinter wishes to accelerate from rest to a speed of13 ms in a distance 22 meterdetermine what
a ball of a mass of 02 kg is attached to a cord of length 15mthe cord will break if the tension exceeds 40n the ball is
a 108 gram bullet is fired horizontally into a 100 gram wooden block initially at rest on a horizontal surface after
a beam of light travelling in air strikes a plate of transparent material at an angle of incidence of 560deg it is
an empty 1150 kilogram van has its center of mass cm 230 meter behind the front of the car determine how far from the
the ramp is coated with a substance that has a kinetic coefficient of friction of 025 the block is placed at the bottom
the first stage of a space vehicle consumed fuel and oxidizer at the rate of 185 x 104 kgs with an exhaust speed of 310
a uniform disc with radius 045m initially at rest rotates about its central vertical axis with a constant angular
a particle attached to a spring with k 51 nm is undergoing simple harmonic motion and its position is described by the
discover the two lowest-order non vanishing terms in the multiple expansion of the potential due to a uniformly charged
a mass m 44 kilogram is attached to a vertical spring with k 202 nm and is set into motiona evaluate what is the
a volleyball is spiked so that it has an initial velocity of 15 ms directed downward at an angle of 55deg below the
a 0420 kilogram pendulum bob passes through the lowest part of its path at a speed of 330 msa find what is the tension
a solid cylinder of mass 020 kg and radius 100cm is released from rest at the top of a 45 degree incline whose height
in a youngs double-slit experiment a set of parallel slits with a separation of 0100 millimeter is illuminated by light
a 500 kilogram boy stands at the rim of a merry-go-round of radius 210 meter rotating with an angular speed of 330
assume a beam of 460 ev protons strikes a potential energy barrier of height 630 ev and thickness 0890 nm at a rate
a 700 kilogram man throws a 00420 kilogram snowball forward with a ground speed of 340 ms a second man with a mass of
a 63-kg bungee jumper has fallen far enough that her bungee cord is beginning to stretch and resist her downward motion