Questions Answered

brinethery:
Question on orthographic projections
 updated 6 months ago
 4 replies
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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

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

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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brinethery:
I have to upload it
 updated one year ago
 13 replies
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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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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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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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evergirl:
Simplify (x3/8)^3/4
 updated one year ago
 9 replies
 2 Medals

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

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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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

cindstress:
Car A with a mass of 1250kg is traveling at 30m/s to the east. Car B is a truck with a mass of 2000kg traveling to the west at 25m/s. Assu…
 updated one year ago
 5 replies
 1 Medal

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

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
 No Medals Yet

Nodata:
How can I simplify this: \[\left(P\wedge\neg R\right)\vee\left(P\wedge\neg Q\right)\vee\left(Q\wedge\neg R\right)\]
 updated one year ago
 73 replies
 5 Medals

DLS:
Each of the blocks shown in figure has mass 1kg.The rear block moves with a speed of 2m/s towards the front block kept at rest.The spring at…
 updated one year ago
 13 replies
 1 Medal

geerky42:
Energy Question (See Attachment)
 updated one year ago
 35 replies
 2 Medals

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

ramirokool:
I'ma draw it
 updated one year ago
 27 replies
 2 Medals

ramirokool:
I'ma draw it
 updated one year ago
 4 replies
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ramirokool:
I'ma draw it
 updated one year ago
 18 replies
 1 Medal

ramirokool:
I'ma draw it
 updated one year ago
 8 replies
 1 Medal

zonazoo:
Finding eigenvectors: Can some just show me the steps to find the eigenvector of the following matrix, with (lambda)=2.
Matrix is give…
 updated one year ago
 16 replies
 3 Medals

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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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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helpmeplz311:
This is the worksheet:
…
 updated one year ago
 29 replies
 3 Medals

EmmaH:
Could spomeone please take the time to help me understand this?? Write the pointslope form of the equation passing through (5, 1) with a s…
 updated one year ago
 27 replies
 4 Medals

fizzy:
what is the mass of a person of 700N
 updated one year ago
 2 replies
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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
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