Physics, 15.10.2019 20:00 tadvet1633
Use this scenario to answer the four following questions. a person is on a sled on top of a snow covered hill. the vertical distance from the top of the hill to the bottom is 12 meters. the sled and the person riding it have a combined mass of 60 kg. to start, person is pushed. the initial velocity is 1 m/s. at the bottom of the hill, the sled and the person have a velocity of 10 m/s. use g=9.8 m/s2 or g=10 m/s2 for the gravitational acceleration. what is the initial total mechanical energy of the person and their sled?
Answers: 2
Physics, 22.06.2019 14:30
Which compound is held together by the electrostatic force between two ions? a. co2 b. cci4 c. h2s d. mgf2
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Physics, 22.06.2019 14:40
Asolid cylinder and a cylindrical shell have the same mass, same radius, and turn on frictionless, horizontal axles. the cylindrical shell has light-weight spokes connecting the shell to the axle. a rope is wrapped around each cylinder and tied to blocks of equal masses that are held the same height above the ground. both blocks are released simultaneously. the ropes do not slip. which block hits the ground first? or is it a tie?
Answers: 3
Physics, 22.06.2019 20:00
Which is the most accurate name for the covalent compound p2o3?
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Physics, 22.06.2019 22:00
Notice how they put future which of the clouds shown would indicate a possible future rain storm? a) b) c) d)
Answers: 1
Use this scenario to answer the four following questions. a person is on a sled on top of a snow cov...
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