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One consequence of Newton's third law of motion is that __________
Weegy: To every action there is always an equal and opposite reaction: or the forces of two bodies on each other are always equal and are directed in opposite directions. User: An object with a mass of 90 grams, moving at a constant velocity of 6 meters per second, has __________. Weegy: Momentum is the answer. Here is an example. Example: Object 1 (mass is 6 kg), moving along with a velocity of 10 m/s, collides with Object 2 (mass is 3 kg), moving along with a velocity of 5 m/s. [ If object 1’s velocity is decreased to 4 m/s by the collision, what will object 2’s velocity be after the collision? G: Before collision: m(1) = 6 kg, v(1) = 10 m/s, m(2) = 3 kg, v(2) = 5 m/s After the collision: the masses are the same, but v(1)! = 4 m/s and v(2)! = ? [Note: the ! symbol means a new value for the same variable] F: the second object's velocity after the collision E: p(1)Before + p(2)Before = p(1)After + p(2)After . and so m(1) * v(1) + m(2) * v(2) = m(1) * v(1)! + m(2) * v(2)! S: Step1 6 kg * 10 m/s + 3 kg * 5 m/s = 6 kg * 4 m/s + 3 kg * v(2)! To simplify this long equation’s substitution, look at the following steps: Step2 60 kg m/s + 15 kg m/s = 24 kg m/s + 3 kg * v(2)! Step3 75 kg m/s = 24 kg m/s + 3 kg * v(2)! Step4 75 kg m/s – 24 kg m/s = 3 kg * v(2)! Step5 51 kg m/s = 3 kg * v(2)! Step6 51 kg m/s / 3 kg = v(2)! A: v(2)! = 17 m/s ] (More)
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Asked 5/28/2013 7:01:01 AM
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Air is not a source of resistance. true or flase?
Weegy: False. Air could be a resistance. (More)
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Asked 5/28/2013 7:03:42 AM
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