Physics, 30.10.2019 02:31 parislover2000
Amover has to move a heavy sofa of mass 63 kg to the second floor of the house. as he pulls on the rope tied to the sofa he makes sure that the rope is parallel to the surface of the ramp, which is at 30.0° to the horizontal. if the coefficient of kinetic friction between the sofa and the ramp is 0.410, and the sofa has an acceleration of 0.700 m/s2, find the tension in the rope in newtons.
Answers: 3
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Does this organism still meet the definition of a eukaryote ? why or why not?
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As shown in fig. p3.64, a closed, rigid tank fitted with a fine-wire electric resistor is filled with refrigerant 22, initially at 2108c, a quality of 80%, and a volume of 0.01 m3. a 12-volt battery provides a 5-amp current to the resistor for 5 minutes. if the final temperature of the refrigerant is 408c, determine the heat transfer, in kj, from the refrigerant.
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A500g object falls off a cliff and losers 100 j from its gravitational potential energy store. if the gravitational field strength g=9.8n/kg, how high is the cliff?
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Which of the following is not a characteristic of s waves? a. travel slower than p waves. b. cannot be detected in locations more than 105° from an earthquake’s epicenter. c. travel through solids and liquids. d. only affect coastal regions.
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Amover has to move a heavy sofa of mass 63 kg to the second floor of the house. as he pulls on the r...
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