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Consider the father pushing a playground merry-go-round. He exerts a force of 250 Newton at the edge of the 50 kilogram merry-go-round, which has a 1.50 meter radius. Determine what the angular acceleration produced
(a) when no one is on the merry-go-round and
(b) when an 18 kilogram child sits 1.25 meter away from the center. Consider the merry-go-round itself to be a uniform disk with negligible retarding friction.
When 4425 J of heat are added to a 0.16-m-long silver bar, What is the mass of the bar
a small tropical fish is at the center of a water-filled spherical gishbowl 30cm in diameter. find the magnification of the fish to an observer outside the bowl
q1. a gadget of mass 17.52kg floats in space without motion. because of some internal malfunction the gadget violently
Water has a mass per mole of 18.0 g/mol, and each water molecule (H2O) has 10 electrons. (a) How many electrons are there in 9.42 liters of water? (1 liter is equivalent to 1.00 × 10-3 m3) (b) What is the net charge of all these electrons?
David is driving a steady 31.0m/s when he passes Tina, who is sitting in her car at rest. How far does Tina drive before passing David
A uniform steel bar swings from a pivot at one end with a period of 1.1s How long is the bar
A thin rod of length L and negligible mass can pivot about oneend to rotate in a vertical circle. A heavy ball of mass m isattached to the other end. how much work does its weight do on it
in a small town there are only two am radio stations one at 930 khz and one at 1280 khz.what is the wavelength of the
An airplane, diving at an angle of 48º with the vertical, release a projective at an altitude of 830m. What was the vertical component of its velocity
A solenoid is made by wrapping a wire so that it makes a solenoid (coil) having 500 turns of diameter 8.00 cm and length 40.0 cm. Find the inductance of this solenoid
Calculate the numerical value of the capacitance of this capacitor after glycerin at 20?C completely fills the volume between the plates
A missile is being shot with an initial velocity of 60m/s at an angle of 60 degrees with respect to the horizontal. Located at a distance of 1000 meters from the missile launch, you are located at a height of 150 meters and try to intercept the missi..
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