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Your 12-kg baby sister pulls on the bottom of the tablecloth with all her weight. On the table, 59cm from each edge, is a 5.8-kg roast turkey.
A) What's the turkey's acceleration?
B) From the time your sister starts pulling, how long do you have to intervene before the turkey goes over the edge? Neglect friction.
A submarine is 300. m horizontally out from the shore and 100m. beneath the surface of the water. How long does it take for the laser bream to reach the building
A ray of light strikes a block of some transparent material at an angle of incidence of 60degrees. Find the speed of light in the block
A thin uniform rod (mass = 1.75 kg) swings about an axis that passes through one end of the rod, What is the maximum kinetic energy of the rod
A rocket fires two engines simultaneously. One produces a thrust of 760N directly forward while the other gives a thrust of 517N at an angle 39.6 above the forward direction
A 3.2-kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling. What is the elastic potential energy of the system
The atomic mass of copper is 64 g/mole, and the density of copper is 8.9 g/cm3.
A gas in a cylinder with a piston that slides freely within is adiabatically expanded from 1.5 to 1.7 m3. by what amount did the internal energy of the gas change during this expansion
The side-view mirror of an automobile hasa radius of curvature of 11.5 cm. How far is the object from the mirror
A ladder of negligible mass and length 5.00 m rests against a vertical wall. The ladder makes an angle of 53.1 with the ground. Find the forces of the ground and the wall on the ladder
Let the angle of incidence be 70° and the transmitted region be diamond with n2 = 2.42
At a factory, a noon whistle is sounding with a frequency of 491 Hz. As a car travelling at 78 km/h approaches the factory, the driver hears the whistle at frequency fi. After driving past the factory, the driver hears frequency ff. What is the chang..
Two bugs are buzzing with the same frequency of 186Hz. One of the bugs is flying away from a stationary observer at 9.0m/s, What is the beat frequency that the observer hears
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