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a van travels at a constant speed around a circular track whose radius is 275 kilometer the car goes once around the
a potters wheel of radius 014 meter is turned on at t 0 and accelerates uniformly after 54 second the wheel has an
a car delivers 30 hp to its wheels when moving at a constant speed of 22 ms calculate the total resistance force drag
in a physics lab a cube slides down a frictionless incline and elastically strikes another cube at the bottom that is
a crate that weighs 20 newton starts from rest and slides down a rough 50 meter long ramp inclined at 25o with the
two cars are moving the first car has twice the mass of the second car however only half as much kinetic energy when
1 work of at least 2000j is required to push a crate up a frictionless incline if the crate is pushed 20m on the
a ball of mass 0120 kilogram is dropped from rest from a height of 125 meter it rebounds from the floor to reach a
through an earthquake the top of a building oscillates with amplitude of 32 cm at 12 hz1 what is the maximum velocity
in a physics lab experiment a spring clamped to the table shoots a 21 g ball horizontally when the spring is compressed
the diameter of the pipe is 204 centimeter at a 102 centimeter at b and 0820 centimeter at c the gauge pressure in the
a proton by initial velocity components vx 130 x 106 ms vy 0 vz 210 x104 ms is placed in a constant and uniform
while running a man dissipates about 060 joule of mechanical energy per step per kilogram of body mass if a 70 kilogram
two objects move by initial velocity -800 ms final velocity 160 ms and constant accelerations a the first object has
a uniform block of granite in the shape of a book has face dimensions of 230 centimeter and 236 centimeter and a
a race car starts from rest on a circular track of radius 690 meter the cars speed increases at the constant rate of
c can be ignored relative to the distance among them which is 0226 m ina vacuum each object carries a dissimilar charge
a 02 kg hoop i006 kg-mnbsp 2 rolls down the street without slipping by an angular velocity of 15 rads it then hits a
starting from rest a 105 kilogram block slides 270 meter down a frictionless ramp inclined at 300 degree from the floor
two narrow slits are 025 mm apart when a laser lambda 633nm shines on them bright fringes form on a screen that is a
a the drum of a photocopying machine has a length of 42 cm and a diameter 12 cm the electric field now above the drums
a centrifuge in a medical laboratory rotates at an angular speed of 3600 revmin when switched off it rotates through
a flywheel rotates with an angular speed of 22 revs as it is brought to rest with a constant acceleration it turns 51
a person pushes horizontally by a force of 220 n on a 55 kg crate to move it across a level floor the coefficient of
a 5 kilogram mass is lifted vertically through 4 meter by a cord with tension 80 newtona determine the work done by the