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In conservation of momentum, a system of two objects starting with zero momentum, one of the objects is caused to move in one direction. The other object will move in the opposite direction. According to Newton’s first ...
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General Physics 4 years 1 Answer 605 views

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Can anyone tell me the most BASIC, and watered down rundown of string theory? Pretend you’re telling a random off the street that doesn’t know anything past 11th grade physics.
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General Physics 4 years 1 Answer 528 views

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The question goes like this: A ball is thrown straight up. At 12m, the ball reaches a velocity of 15m/s. What is the time it takes for the ball to go from the top of its path, ...
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General Physics 4 years 1 Answer 577 views

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A) A small car of mass m and a large car of mass 4m drive along a highway. They approach a curve of radius R. To not slip, both cars need to maintain a net force of F as they travel around the curve. ...
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General Physics 4 years 1 Answer 724 views

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A rock of mass 2 kg is lifted straight up by a 40 N vertical, applied force. What is the magnitude of the rock’s acceleration? All answers are in ms-2. For this question, use g = 10 ms-2.
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General Physics 4 years 1 Answer 540 views

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A machine part is made up of two pieces, with centers of gravity shown in the figure.(Figure 1) Which point could be the center of gravity of the entire part?
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General Physics 3 years 0 Answers 2565 views

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A rocket generates a net force (F) of 2,050,000 newtons, and the rocket’s mass (m) is 40,000 kilograms. Use the formula F = ma to find the acceleration (a) achieved. A. 51.25 meters/second^2 B. 51.125 meters/second^2 C. 42.25 meters/second^2
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General Physics 4 years 1 Answer 2019 views