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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 2 years 1 Answer 442 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 589 views

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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 726 views

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A sign is to be hung from the end of a thin pole, and the pole supported by a single cable. Your design firm brainstorms the six scenarios shown below. In scenarios A, B, and D, the cable is attached ...
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General Physics 2 years 1 Answer 4340 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 2409 views

Question
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 ...
solved 0
General Physics 2 years 1 Answer 589 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 248 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 603 views

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An aircraft lands on a runway at a velocity of 40 m s-1 and brakes to a halt in a distance of 860 m. Calculate a) the breaking time b) the deceleration of the aircraft
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General Physics 2 years 1 Answer 251 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 ...
in progress 0
General Physics 2 years 1 Answer 248 views

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I have two thoughts on this. One, the speed of dark is the same as light. two, the speed of dark is infinite and we can’t observe it because it only replaces light as fast as the light ...
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General Physics 2 years 1 Answer 247 views