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A stone is suspended from the free end of a wire that is wrapped around the outer rim of a pulley, as shown in the figure (see the figure ). The pulley is a uniform disk with mass 11.9 kg and radius 47.0 cm and turns on frictionless bearings. You measure that the stone travels a distance 12.7 m during a time interval of 2.55 s starting from rest.
Find the mass of the stone.
Find the tension in the wire.
Water flows through a horizontal pipe of cross-sectional area 10.0 cm2 at a pressure of 0.250 atm. What is the pressure at the valve
What quantum number of the hydrogen atom comes closest to giving a 100- nm-diameter electron orbit, What is the electron's speed in this state
The motion of peg P is constrained through the lemniscate curved slot in OB and by the slotted arm OA.
On a frictionless, horizontal air table, puck A (with mass 0.150 kg ) is moving toward puck B (with mass 0.400 kg ), What was the speed of puck A before the collision
A person weighs 784 N in air and has a body-fat percentage of 23.0 %. What is the overall density of this person's body
A proton and an electron are moving due east in a constant electric field that also points due east, Determine the magnitude of the acceleration of the proton and the electron
A box of mass 15 kg is dragged by a 50 N horizontal force a distance of 10 m over a rough surface with the coefficient of friction = 0.14 the work done by friction force.
How many 111 W lightbulbs can you use in a 107 V circuit without tripping a 16 A circuit breaker? (The bulbs are connected in parallel, that means that the potential difference across each lightbulb is 107 V.)
For two concentric conducting rings the inner of the large ring in 12 cm and the outer radius of the smaller ring is 4 cm, Calculate the electric potential half way between the two rings 8 cm away from the center of the rings
A 8.5 kg block moves at 9 m/s to the right while a 8.5 kg block moves at 10 m/s to the right. Find the kinetic energy relative to the center of mass
The liquid of density p in a horizontal pipe of diameter d1 before a constriction is at pressure P1 and flowing with the speed v1
Dave Johnson, the bronze medalist at the 1992 Olympic decathlon in Barcelona, How far does his center of mass move up as he makes the jump
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