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a 500 kilogram child stands at the rim of a merry-go-round of radius 215 meter rotating with an angular speed of 270
a race car starts from rest on a circular track of radius 690 meter the cars speed increases at the constant rate of
a rotating wheel requires 800 second to rotate 300 revolutions its angular velocity at the end of the 800 second
a wire of radius r and length l and resistivity rho has a resistance r estimate what is the new resistance if the wire
a 120 kilogram shell is launched at an angle of 55o above the horizon with an initial velocity of 150 ms when at its
a curve in a road forms part of a horizontal circle as a car goes around it at constant speed 140 ms the total force
a 10 gram bullet is fired horizontally into a 300 gram wooden block initially at rest on a horizontal surface and
an 845 kilogram race car can drive around an unbanked turn at a maximum speed of 61ms without slipping the turn has a
at an water park a girl slides down a water slide into the main pool if the girl starts at rest slides without friction
you are traveling north at 23 ms in your convertible a truck behind you is traveling north at 12 ms thus you are moving
the coefficient of kinetic friction for a 22 kilogram bobsled on a track is 10 determine what force is required to push
two 720 kilogram hockey players skating at 545 ms collide and stick together if the angle between their initial
obtain the electric field amplitude of linearly-polarized em wave of intensity 999 gwm2 moving at a speed of 1240 times
a linearly-polarized em wave moving in vacuum perpendicular to a perfectly reflecting surface exerts a radiation
at one position and time the electric field of an em wave in vacuum is 666 mvm right and its magnetic field is 222 mt
a wheel is rotating freely at angular speed 400 revmin on a shaft whose rotational inertia is negligible a second wheel
four points have the same magnitude of 24 x 10-12 c and are fixed to the corners of a square that is 40 centimeter on a
a disk-shaped merry-go-round of radius 273 meters and mass 165 kilogram rotates freely with an angular speed of 0621
the tires on a new compact car have a diameter of 20 feet and are warranted for 56000 milesa find the angle in radians
the metal hood ornament on a car is shaped like a ring 6 centimeter in diameter the car is driving at a speed of 5 ms
a 350 gram stone is swung in a circular path on a 60 centimeter length of string and in a vertical plane the tangential
a machine gun is attached to a railroad car that is free to roll on a frictionless track if the railroad car of a mass
a crate that weighs 20 newton starts from rest and slides down a rough 50 meter long ramp inclined at 25o with the
a block of mass 25 kilogram starting from rest falls a vertical distance of 75centimeter before striking a vertical
in a physics lab a cube slides down a frictionless incline and elastically strikes another cube at the bottom that is