Question
When I am finding an area of a square with an uncertainty it’s obvious I do A=lw then Au=A[(lu/l)+(wu/w)). If I am doing the same with a cube, does the same logic apply? Vu=V[(lu/l)+(wu/w)+(hu/h)]. This is where ...
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General Physics 7 years 1 Answer 1141 views

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A road race is taking place along the track shown in the figure . All of the cars are moving at constant speeds. The car at point F is traveling along a straight section of the track, whereas all the ...
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General Physics 7 years 1 Answer 1521 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 7 years 1 Answer 1039 views

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    RvTDLR
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    October 4, 2017 at 2:55 pm
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    Need the resistance and whether they are connected in series

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    October 4, 2017 at 2:43 pm
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    RvTDLR
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    RvTDLR
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    October 4, 2017 at 2:38 pm
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Question
Yoga is a spiritual and physical practice that originated in ancient India. It is believed to have been developed around 500 BCE. Yoga has many benefits, some of which are stress relief, weight management, and improved sleep. The word “yoga” comes ...
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General Physics 2 years 0 Answers 385 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 7 years 1 Answer 3924 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 7 years 1 Answer 3865 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 6 years 0 Answers 3326 views

Question
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 7 years 1 Answer 3316 views