Yahoo Web Search

1. Sort by

1. Can someone please help me with this physics question?

... = √[x² + (v/ω)²] = = √[x² + (m/k)v²] = = √[0.020² + (5.0/280)0.55²... speed equation, maximum velocity is obviously v(max) = ωA = √(k/m) A = √(280/5.0) x 0.076...

1 Answers · Science & Mathematics · 11/12/2010

2. Looking for some help on my physics homework?

...up another equation where you solve for when the car comes to a stop using conservation of energy: .5*m*v^2=.5*m*K*x^2 v^2=K*x^2 (109*1000/3600)^2=K*x^2 now you have two simultaneous equations and two...

1 Answers · Science & Mathematics · 22/02/2007

3. A physics question I already asked but was given wrong answer.?

...up another equation where you solve for when the car comes to a stop using conservation of energy: .5*m*v^2=.5*m*K*x^2 v^2=K*x^2 (109*1000/3600)^2=K*x^2 now you have two simultaneous equations and two...

3 Answers · Science & Mathematics · 23/02/2007

4. Let a and b be elements of a group . If I a I = m and I b I = n, and gcd(m , n) = 1, show that <a> Intersect?

...of a and b, it follows that c^m = (a^k)^m = (a^m)^k = e^k = e and c^n = (b^l)^n = (b^n)^l = e^l = e Let's take the u and v from above theorem and make the following two ...

2 Answers · Science & Mathematics · 26/07/2009

5. Analysis: Prove that K is compact if and only if every sequence in K has a subsequence that converges to?

...there is a k > 0 such that y_n is in V_m for all n >= k. Case 1: k <... a contradiction since y_m is in K_m = K\(V_m). Case 2: m <...

2 Answers · Science & Mathematics · 16/10/2010

6. A mass at the end if a spring is undergoing simple harmonic motion.?

...the same as the speed, but it can be in either direction. V = ± A √(k/m) < - - - - - - - - ...period is given by: T = 2π √( m / k) So half a period is: T/2 = π...

1 Answers · Science & Mathematics · 07/05/2013

7. Can someone help me with these physics problems?

...need to balance the energies energy = constant x = -.5 v = -.8 energy = 1/2*m*v^2 + 1/2*k*x^2 = constant At...2*k*xf^2 vf = 0 m*v^2 + k*x^2 = k*xf^2 xf = sqrt (m/k + x^2) remember k = -m*a/x xf = sqrt(-x/a + x^2) = sqrt...

1 Answers · Science & Mathematics · 17/12/2009

8. Block speed in oscillatory motion. HELP!?

...*cos(√[k/M]*t) + k*A(k/M)*cos(√[k/M]*t) + (k/M)*K = -Fr/M K = -Fr/k x = (x0 + Fr/k)*cos...

2 Answers · Science & Mathematics · 19/06/2009

9. Heat Transfer/conduction?

...row. So organize it just like a circuit problem. V = IR1 + IR2 becomes &... R = Length/k*A k =380 w/m*k , Lenght = .75 and Area we dont have to...

2 Answers · Science & Mathematics · 07/05/2009

10. A simple harmonic motion (Phy 120)?

...s apply our other conditions. The velocity at t=0 must be 1 m/s: v(0) = Aω cos(ω*0) = 1 Aω = 1 A = sqrt(m/k) now, we want to solve: v(t) = cos(ωt) = - 0.5 m/s ωt = 2/3 * pi t = 2/3 * pi * sqrt...

2 Answers · Science & Mathematics · 08/08/2011