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April 21, 2014

Search: Machanics

Number of results: 15

Machanics
Machanics? taunt? Wow. Now to greater errors. What exactly is a mass of 3m or 5m? And in the answers, since when is force measured in milligrams? Isn't that a mass unit? Something is major wrong in your physics class, this usage is not acceptable: Remember this was the problem...
Friday, March 4, 2011 at 8:44am by bobpursley

Applied Machanics (Physics)
What do you mean by: 1/12ml^2 k^2=radius of gyration
Sunday, May 3, 2009 at 7:20pm by Henri

Applied Machanics (Physics)
I thought the moment of inertia would be 1/12 ml^2
Sunday, May 3, 2009 at 7:20pm by bobpursley

Applied Machanics (Physics)
I am using l as the length of the rod. (.3m) Recheck your formula.
Sunday, May 3, 2009 at 7:20pm by bobpursley

AS machanics
A particle P of mass 2kg is attached to one end of a light rod of length 0.5m which is free to rotate in a verticle
Tuesday, March 12, 2013 at 9:59am by Lynn

solid machanics
a material has a youngs modulus of 1.25*105N/mm2 and a poissons ratio of 0.25.calculate the modulus of rigidity and the bulks modulus.
Wednesday, August 8, 2012 at 9:10am by sanjeev

machanics
can u tell me what formula i should be using to answer this question? If a stone falls past a bird on a ledge moving at 4 m/s, how fast will the stone be movingjust before it hits the ground below 9 seconds later? A. 92.2 m/s B. 48.2 m/s C. 352.8 m/s D. 36 m/s
Sunday, May 2, 2010 at 8:44pm by me

machanics\
can u tell me what formula i should be using to answer this question? If a stone falls past a bird on a ledge moving at 4 m/s, how fast will the stone be movingjust before it hits the ground below 9 seconds later? A. 92.2 m/s B. 48.2 m/s C. 352.8 m/s D. 36 m/s
Monday, May 3, 2010 at 6:22pm by me

solid machanics
Given: E=1.25*10^5 N/mm² ν=0.25 G=E/[2(1+ν)] K=E/[3(1-2ν)]
Wednesday, August 8, 2012 at 9:10am by MathMate

Machanics
particles of mass 3m and 5 m hang one at each end of a light inextensible string which passes over a pulley.The system is released from rest with the hanging parts taunt and vertical.During the subsequent motion the resultant force exerted by the string on the pulley is of ...
Friday, March 4, 2011 at 8:44am by rob

machanics
A space aircraft is launched straight up.The aircraft motor provides a constant acceleration for 10 seconds,then the motor stops.The aircraft's altitude 15 seconds after launch is 2 km.ignore air friction .what is the acceleration,maximum speed reached in km/h and the speed(in...
Tuesday, April 2, 2013 at 6:21am by shone

Machanics
vf - vi = 5*10^6 - 2*10^6 = 3*10^6 where vf is the final speed and vi is the initial speed. Assuming a constant deceleration, the electron passes through 2.1 multiply 4cm = 8.4 cm of paper. 8.4 = 1/2*a*t^2 deltav = 3*10^6 = a*t where a is the acceleration, t is the time. You ...
Sunday, January 13, 2013 at 6:52pm by Jennifer

Machanics
An electron moving at a speed of 5 multiply by 10 raise to power six m/s was shot through a sheet of paper which is 2.1 multiply by 4cm thick.the electron emerges from the paper with a speed of 2 multiply by 10 raise to power six m/s,find the time taken by the electron to pass...
Sunday, January 13, 2013 at 6:52pm by Anonymous

Applied Machanics (Physics)
A steel rod of 500g and 30 cm long spins at 300 RPM,the rod pivots around the center. a) Find angular momentum Moment of Inertia(I)=mk^2 I=0.5kgX(0.075m)^2 I=0.0028125kg*m^2 To find angular momentum: w=300rpmX2pi/60sec w=31.42 rads/s Ang. Momentum=Iw A.M.=0.0028125X31.42 A.M.=...
Sunday, May 3, 2009 at 7:20pm by Henri

machanics
A vertical distance covered for t₁=10 s of accelerated motion is h₁=at₁²/2. The speed at this height is v₁=at₁. The distance covered at decelerated motion during t₂=15- t₁=15-10=5 s is h₂=v₁t₂-gt₂²/2. ...
Tuesday, April 2, 2013 at 6:21am by Elena

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