Physics, 25.10.2019 13:43 0spholbrooks
Based on the graph, which statement best describes the acceleration of the two objects?
a) acceleration 1 - no acceleration. acceleration 2 - negative acceleration.
b) acceleration 1 - no acceleration. acceleration 2 - speeds up and slows down.
c) acceleration 1 - constant acceleration. acceleration 2 - varied acceleration.
d) acceleration 1 - positive acceleration. acceleration 2 - negative acceleration.
Answers: 3
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A15,000 kg rocket traveling at +230 m/s turns on its engines. over a 6.0 s period it burns 1,000 kg of fuel. an observer on the ground measures the velocity of the expelled gases to be −1,200 m/s.
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One soccer player (a) is moving at 4 km/h when she kicks the ball while another soccer player (b) is moving at 8 km/h. what statement accurately compares their kinetic energy if they have the same mass? a) both soccer players have the same kinetic energy. b) player b has twice the kinetic energy of player a. c) player b has four times the kinetic energy of player a. d) their kinetic energy can't be compared without knowing their mass.
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Newton's second law states that f = m x a (force is mass times acceleration). which example would have the greatest acceleration?
Answers: 1
Based on the graph, which statement best describes the acceleration of the two objects?
a) ac...
a) ac...
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