Aperson on a sled coasts down a hill and then goes over a slight rise with speed 2.7 m/s. the top of this rise can be modeled as a circle of radius 4.1 m. the sled and occupant have a combined mass of 110 kg. if the coefficient of kinetic friction between the snow and the sled is 0.10, what friction force is exerted on the sled by the snow as the sled goes over the top of the rise?
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Physics, 21.06.2019 15:10
Alightning strike consists of charge moving from a cloud to the ground . in one particular case, the electrons in a lightning strike are confined to travel within a radius of 1.5 m and to move at a speed of 5.0 x 10 m/s. if the density of electrons in the strike is 10'15 electrons/m what current is carried by the lightning ?
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Physics, 21.06.2019 21:30
According to social exchange theory, altruistic behaviors benefit the individual who performs them.
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Physics, 22.06.2019 09:00
Connie has $660,000 she wants to save. if the fdic insurance limit per depositor, per bank, is $250,000, which of these way is distributing her money between three banks will guarantee that all of her money is insured ?
Answers: 3
Aperson on a sled coasts down a hill and then goes over a slight rise with speed 2.7 m/s. the top of...
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