Determine the kinetic energy of the merry-go-round
A horizontal 790-N merry-go-round of radius 1.30 m is started from rest by a constant horizontal force of 50 N applied tangentially to the merry-go-round. Find the kinetic energy of the merry-go-round after 5.0 s.
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Why is the provision of natural resources dependent upon healthy ecosystems?
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A grinding wheel of radius 0.350 m rotating on a frictionless axle is brought to rest by applying a constant friction force tangential to its rim. The constant torque produced by this force is 75.0 N · m. Find the magnitude of the friction
It is now allowed to relax back to its equilibrium length and then it is stretched an additional 2.30 cm. How much work is done by the spring during this process?
A cube of ice is taken from the freezer at -8.5 degrees celcius and placed in a 75 gram aluminum calorimeter filled with 300 g of water at room temperature of 20.0 degrees celcius. The final situation is observed to be all water at 17.0 degrees ce
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When the United States refuses to sell goods to Iran because of the perception that the country harbors radicals and terrorists, the refusal is called a(n)?
Two objects with masses 4.60 kg and 1.10 kg hang 0.800 m above the floor from the ends of a cord 6.90 m long passing over a frictionless pulley. Both objects start from rest. Find the maximum height reached by the 1.10 kg object.
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