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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
suppose half the mass of a 20 kilogram bicycle is in its wheels and that the wheels are effectively rings determine the
a spring of spring constant k 350 nm-1 is used to launch a 25-kg block along a horizontal surface by compressing the
in february 1955 a paratrooper fell 365 meter from an airplane without being able to open his chute but happened to
a rod of mass m and length x is supported on a knife edge at its midpoint a ball of clay m is dropped from rest from a
a platform is rotating at an angular speed of 25 rads a block is resting on this platform at a distance of 034 meter
a long solenoid has 108 turnscm and carries current an electron moves within the solenoid in a circle of radius 203 cm
it takes 180 joule of work to compress a certain spring 018 meter estimate what the force constant of the spring to
an electromagnetic field is generated bya a proton moving in a circleb an electron moving at a constant speed in a
the flywheel of a steam engine runs with a constant angular velocity of150 revmin when steam is shut off the friction
a south magnetic pole of a bar magnet representsa the starting point of a magnetic fieldb the ending point of a
the mean distance between earth and the sun is 150 x 1011 meter the average intensity of solar radiation incident on
the velocity of a 250 kg block sliding down a frictionless inclined plane is found to be 148 ms200 s later it has a
a 120 komega resistor and a capacitor are connected in series and then an 110 volt potential difference is suddenly
at the microscopic and macroscopic levels what is the physical significance of entropy why do professionals bother with
a gun is fired vertically into a m 131 kg block of wood at rest on a thin horizontal sheet directly above it if the
a 700 kilogram bowling ball collides head-on with a 200 kilogram bowling pin the pin flies forward with a speed of 293