What is the value of 14.5 stone in kg?
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Figure E9.43 2.50-kg pulley 9.43 - A frictionless pulley has the shape of a uniform solid disk of mass 2.50 kg and radius 20.0 cm. A 1.50-kg stone is at- tached to a very light wire that is wrapped around the rim of the pulley (Fig. E9.43), and the system is released from rest. (a) How far must the stone fall so that the pulley has 4.50 J of kinetic energy? (b) What percent of the total kinetic energy does the pulley have? 1.50-kg stone
A 0.500-kg stone is moving in a vertical circular path attached toa string that is 75.0 cm long. The stone is moving around the pathat a constant frequency of 1.50 rev/sec. At the moment the stone isoverhead, the stone is released. The velocity of the stone when itleaves the circular path isA. 5.55 m/s.B. 7.07 m/s.C. 7.75 m/s.D. 8.35 m/s.E. 9.00 m/s.
When a 65 N stone is attached to a spring scale and is submerged inwater, the spring scale reads 38 N. What is the density of thestone?___________ kg/m3You can use the definition of density and Archimedes' principle tofind the density of the stone. The difference between the weight ofthe stone in air and in water is the buoyant force acting on thestone.
