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6-lb collar C is attached to a spring and can slide on rod AB, which in turn can rotate in a horizontal plane. The mass moment of inertia of rod AB with respect to end A is 0.35 lb . ft . s 2 . The spring has a constant k = 15 lb/in. and an undeformed length of 10 in. At the instant shown the velocity of the collar relative to the rod is zero and the assembly is rotating with an angular velocity of 12 rad/s. Neglecting the effect of friction, determine
(a) the angular velocity of the assembly as the collar passes through a point located 7.5 in. from end A of the rod,
(b) the corresponding velocity of the collar relative to the rod.
They are dropoped simutaneously from a cliff. Compare their accelerations at midpoint in their fall. Does one mass reach the midpoint before the other?
A homogeneous cylinder of radius 24.0cm and mass 40.0kg is rolling without slipping along a horizontal floor at 8.30m/s. How much work is needed to stop the cylinder
What are the electron and hole occupancy fractions if the Boltzmann approximation is made and what are the percentage errors? Explain why one error is negligible while the other is significant?
a 4 kg box is pushed up a frictionless 30 degree incline with a force of 40n. this 40 n force is parallel to the
Three resistors (18.2 Ω, 22.1 Ω, 11.5 Ω) are connected in parallel across 88 V. What is the total resistance for this circuit? What is the total circuit current?
Two prismatic blocks are placed on top of each other as shown in the figure below. First body has a mass of m1 = 5kg and the second body has a mass of m2 = 10kg. Coefficients of static and kinetic friction, between body 1 and body 2 are us1 = 0.95..
A skier starts from rest at the top of a hill. The skier coastsdown the hill and up a second hill, as the drawing illustrates. Thecrest of the second hill is circular, with a radius of r =33 m.
A series RCL circuit operating at 60Hz contains a 35Ωresistor and a 8.2μF capacitor. If the power factor ofthe curcuit is +1.00 what is the inductance of the inductor in this circuit
How much current flows throughout the television.
question1the follow statement is true or false?the electric field epoint at the center of an induced dipole because of
the distance between the slits in the two-slit experiment is 1.50 x 10^ -5 m. What is the distance on the screen between the central bright fringe and the 4th order bright fringe
Two parallel conductive plates of area 0.3m^2 hold equal but opposite charges of magnitude 30uC on either side. find the electric force acting on am electron between the plates
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