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Questions Asked

brinethery:
Question on orthographic projections
 updated 6 months ago
 4 replies
 No Medals Yet
Mathematics

brinethery:
Differential equations problem:
A mass of 0.5 kg stretches a spring 0.05 m. The mass is in a medium that exerts a viscous resistance of 2 N…
 updated 8 months ago
 2 replies
 1 Medal
Mathematics

brinethery:
Solve the separable differential equation for y by making the substitution u=t+4y
dy/dt = (t+4y)^2
…
 updated 9 months ago
 29 replies
 5 Medals
Mathematics

brinethery:
A circuit is constructed with an AC generator, a resistor, capacitor and inductor as shown. The generator voltage varies in time as ε =Va  …
 updated 10 months ago
 17 replies
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Mathematics

brinethery:
I have to upload it
 updated one year ago
 13 replies
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Mathematics

brinethery:
Electric potential inside of conducting shell:
A solid insulating sphere of radius a = .035 m is fixed at the origin of a coordinate syste…
 updated one year ago
 1 reply
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Mathematics

brinethery:
Determine force developed in rod AC
I need help with 1728. Could someone draw the freebody diagram so I can have and idea how to get s…
 updated one year ago
 2 replies
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Mathematics

brinethery:
Rotational Kinematics  Pulley with two masses: Two boxes hang from a solid disk pulley that is free to rotate as the blocks rise/fall. The …
 updated one year ago
 5 replies
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Mathematics

brinethery:
Work problem. Please see attached. I'm having trouble with part (b)
 updated one year ago
 44 replies
 1 Medal
Mathematics

brinethery:
Dynamics: The force of the motor M on the cable is shown in the graph. Determine the velocity of the 450kg crate A when t=2s
 updated one year ago
 5 replies
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Mathematics

brinethery:
A neutron star has a constant density of 6 * 10^27 kg/m^3 and a mass five times that of our Sun. Compare its rotational inertia with that of…
 updated one year ago
 4 replies
 1 Medal
Mathematics

brinethery:
Quick question about derivatives involving Newton's dot notation and the chain rule:
I was just wondering if, say you have a velocity fun…
 updated one year ago
 27 replies
 2 Medals
Mathematics

brinethery:
Quick question about derivatives involving Newton's dot notation and the chain rule:
I was just wondering if, say you have a velocity funct…
 updated one year ago
 1 reply
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Mathematics

brinethery:
A man with mass m1 = 53.0 kg stands at the left end of a uniform boat with mass m2 = 172.0 kg and a length L = 2.5 m. Let the origin of our …
 updated one year ago
 14 replies
 1 Medal
Mathematics

brinethery:
A mass m1 = 3.5 kg rests on a frictionless table and connected by a massless string over a massless pulley to another mass m2 = 4.8 kg which…
 updated one year ago
 2 replies
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Mathematics

brinethery:
The coefficient of static friction between the crate and the bed of the truck is mew_s = .6 (I just made this up because his answer key is d…
 updated one year ago
 28 replies
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Mathematics

brinethery:
A block with mass m1 = 8.6 kg is on an incline with an angle θ = 35.0° with respect to the horizontal.
The coefficients of friction are: …
 updated one year ago
 7 replies
 1 Medal
Mathematics

brinethery:
Scientists want to place a 2800.0 kg satellite in orbit around Mars. They plan to have the satellite orbit at a speed of 2695.0 m/s in a per…
 updated one year ago
 13 replies
 2 Medals
Mathematics

brinethery:
Scientists want to place a 2800.0 kg satellite in orbit around Mars. They plan to have the satellite orbit at a speed of 2695.0 m/s in a per…
 updated one year ago
 11 replies
 2 Medals
Mathematics

brinethery:
Scientists want to place a 2800.0 kg satellite in orbit around Mars. They plan to have the satellite orbit a distance equal to 1.5 times the…
 updated one year ago
 4 replies
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Mathematics

brinethery:
A mass m1 = 5.3 kg rests on a frictionless table. It is connected by a massless and frictionless pulley to a second mass m2 = 3.2 kg that ha…
 updated one year ago
 8 replies
 1 Medal
Mathematics

brinethery:
Now the elevator is moving downward with a velocity of v = 2.1 m/s but accelerating upward with an acceleration of a = 4.6 m/s2. (Note: an …
 updated one year ago
 1 reply
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Mathematics

brinethery:
Statics question on shear force and bending moment diagrams:
…
 updated one year ago
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Mathematics

brinethery:
Statics question: F79
http://www.scribd.com/doc/94480961/Chapter7FundamentalProblems
…
 updated one year ago
 1 reply
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Mathematics

brinethery:
Find the matrix of the linear transformation T(f(t)) = f(2t+1) from P2 to P2 with respect to the basis B (script B) = (f1 = 1 +2t^2, f2=1, f…
 updated one year ago
 53 replies
 1 Medal
Mathematics

brinethery:
Find a basis for the space V of all skewsymmetric 3x3 matrices. What is the dimension of V?
 updated one year ago
 75 replies
 2 Medals
Mathematics

brinethery:
Given that T is a linear transformation, derive a formula for T.
 updated one year ago
 25 replies
 3 Medals
Mathematics

brinethery:
Find scalars a, b, c, d, e, f, and g so that the matrix A is orthogonal.
 updated one year ago
 46 replies
 2 Medals
Mathematics

brinethery:
Statics question: Trusses
 updated one year ago
 3 replies
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Mathematics

brinethery:
Cute little (triple) integral problem:
 updated 2 years ago
 37 replies
 2 Medals
Mathematics
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