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a wheel with a tire mounted on it rotates at the constant rate of 259 times a second a tack is stuck in the tire at
an explosion breaks an object into two pieces one of which has 15 times the mass of the other if 7800 j were released
a lab technician is testing new energy drink formulations on a series of hamsters the hamsters are given a certain
an undiscovered planet many lightyears from earth has one moon in a periodic orbit this moon takes 190 days on average
a rocket of total mass 3180 kg is traveling in outer space with a velocity of 115 ms toward the sun it wishes to alter
a flywheel for energy storage in a hybrid gasoline-electric car is a ring-shaped rotor of mass 49 kg designed to rotate
in a large steam engine a horizontal rod is attached to a flywheel by means of a frictionless pivot 95 cm from the
a wheel is spinning at 46 rads when an acceleration of 075 rads2 is applied if the acceleration lasts for 140
a 108 g frisbee is 30 cm in diameter and has about half its mass spread uniformly in a disk and the other half
a string is wrapped many times around a pulley and is connected to a block with mb 4749 kg that is hanging vertically
two blocks are connected by a string over a frictionless massless pulley such that one is resting on an inclined plane
a 70 kg man walks along a 40 kg horizontal plank which is 2 m long the plank is attached to a hinge mounted to one wall
a solid marble a solid disk and a hoop have the same mass m 14 kg and the same radius each object is held at rest at
a meteorologist in a tv station is using radar to determine the distance to a cloud he notes that a time of 024 ms
a flash unit for a camera has a capacitance of 1300microfpart a what resistance is needed in this rc circuit if the
what linear speed must an earth satellite have to be in a circular orbit at an altitude of 206 km above earths
when a potential difference of 12v is applied to a wire 71m long and 034mm in diameter the result is an electric
a 561 kg satellite is in a circular orbit about the earth at a height above the earth equal to the earths mean radiusa
your friend has a near point of 112 cm and she wears contact lenses that have a focal length of 346 cm how close can
a mass of 400 grams is attached to a vertical spring with a spring constant k 200 nm and lowered slowly until the
the length of a simple pendulum is 79 m and the mass at the end of the spring is 24 kg the pendulum is pulled away from
the top of the pool table is 305 ft from the floor the placement of the tape is such that 0 feet aligns to the edge of
a simple pendulum is made from a 65 m long string and a small ball attatched to it its free end the ball is pulled to
a projectile is fired at v0 4200 ms at an angle of 672o with respect to the horizontal assume that air friction will
a compound microscope has a barrel whose length is 197 cm and an eyepiece whose focal length is 17 cm the viewer has a