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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 2 years 1 Answer 261 views

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Was wondering if anyone could me or give me some pointers/help So I am about to carry out the pendulum experiment, changing the length of the string. So I need to plot the graph of T^2 against L including ...
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General Physics 2 years 0 Answers 694 views

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When physicists say there is a so-and-so chance that a particle is in a particular place, do they mean… 1) that the particle has an exact location, but the best they can do with their crude measurements is ...
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General Physics 2 years 1 Answer 277 views

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Six roller-coaster carts pass over the same semicircular “bump.” The mass M of each cart (including passenger) and the normal force n of the track on the cart at the top of each bump are given in the figures. Rank the speeds of ...
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General Physics 2 years 1 Answer 549 views

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My current picture of how gravity works is this (its probably wrong because it doesnt work for light. I’d like a better explanation from you guys): objects have to move in the speed of light in space ...
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General Physics 2 years 1 Answer 226 views

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Learning Goal: To understand how the motion and energetics of a weight attached to a vertical spring depend on the mass, the spring constant, and initial conditions. For this tutorial, use the PhET simulation Masses & Springs. You can put a weight on ...
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General Physics 2 years 1 Answer 537 views

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Learning Goal: To make the connection between intuitive understanding of a seesaw and the standard formalism for torque. This problem deals with the concept of torque, the “twist” that an off-center force applies to a body that tends to make it rotate.
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General Physics 2 years 1 Answer 1467 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 2 years 1 Answer 1116 views