vm

Popular questions and responses by vm
  1. AP PHYSICS MECH.

    A simple pendulum, consists of an object suspended by a string. The object is assumed to be a particle. The string, with its top end fixed, has negligible mass and does not stretch. In the absence of air friction, the system oscillates by swinging back and

    asked on January 6, 2011
  2. physics

    A 73 kg crate is dragged across a floor by pulling on a rope attached to the crate and inclined 15° above the horizontal. (a) If the coefficient of static friction is 0.52, what minimum force magnitude is required from the rope to start the crate moving?

    asked on December 2, 2010
  3. AP PHYSICS MECH.

    Need help urgent!!! A system consist of a ball of M2 and a uniform rod of M1 and length d. The rod is attached to a horizontal frictionless rotates at an angular speed w, as shown in the figure. The rotational inertia of the rod about point P is ? M1 d^2.

    asked on March 24, 2011
  4. AP PHYSICS MECH.

    A 5.00 g bullet moving at 648 m/s strikes a 670 g wooden block at rest on a frictionless surface. The bullet emerges, traveling in the same direction with its speed reduced to 440 m/s. A 5.00 g bullet moving at 648 m/s strikes a 670 g wooden block at rest

    asked on February 12, 2011
  5. AP PHYSICS MECH.

    In Figure 9-62, block 2 (mass 1.3 kg) is at rest on a frictionless surface and touching the end of an unstretched spring of spring constant 160 N/m. The other end of the spring is fixed to a wall. Block 1 (mass 2.1 kg), traveling at speed v1 = 4.0 m/s,

    asked on February 14, 2011
  6. math calculus

    In the viewing rectangle [-4, 4] by [-20, 20], graph the function f(x) = x3 - 3x and its secant line through the points (-3, -18) and (3, 18). Find the values of the numbers c that satisfy the conclusion of the Mean Value Theorem for the interval [-3, 3].

    asked on June 14, 2011
  1. physics

    why are you using .25 for b??

    posted on March 6, 2011
  2. AP PHYSICS MECH.

    Thank you..

    posted on January 6, 2011