Question
Shouldn’t they stop with time? I mean go ahead and shake a bottle of water, it will shake and it will eventually stop, unless you shake it again. What makes the sea water move so much? Why doesn’t ...
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General Physics 2 years 1 Answer 807 views

Question
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 2 years 1 Answer 304 views

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Like a Death Star type laser, I guess. For all intents and purposes, let’s say this would hit in his stomach. Note, this is completely theoretical. I’m writing a Sci-Fi screenplay, and obviously a laser from a ...
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General Physics 2 years 1 Answer 232 views

Question
The abstract sculpture shown in the figure can be placed on a horizontal surface without tipping over. Different parts of the sculpture may be hollow or solid, or made of different materials, but the artist isn’t revealing any such information.
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General Physics 2 years 1 Answer 683 views

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The figure below shows two blocks suspended by a cord over a pulley. The mass of block B is twice the mass of block A, while the mass of the pulley is equal to the mass of block A. The ...
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General Physics 2 years 1 Answer 2272 views

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Learning Goal: To understand and use inverse-square relationships. Two quantities have an inverse-square relationship if y is inversely proportional to the square of x. We write the mathematical relationship as y = A/x2. Here, A is a constant. This relationship is sometimes written as 
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General Physics 2 years 1 Answer 2148 views

Question
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 1 year 0 Answers 1884 views

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Four children are playing in a field. The children form a line, holding hands. The player at the front of the line starts to spin around faster and faster, causing the others to run in circle, as shown in the ...
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General Physics 2 years 1 Answer 1545 views