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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.
A ball is tossed from an upper-story window of a building. The ball is given an initial velocity of 9.10 m/s at an angle of 19.0° below the horizontal. It strikes the ground 4.00s later. Find the height from which the ball wasthrown.
Explain how to compute displacement along straight or curved lines.
A transverse periodic wave described by the expression y= 5sin(pi*x/3 - 30*pi*t) is established on a string. What is the length in meters of the string
a parallel-plate capacitor has an area of 4.00 cm2 and the plates are separated by 1.00 mm with air between them. the
Two rigid rods are oriented parallel to each other and to the ground. The rods carry the same current in the same direction. Determine the current in the rods
a 2.0 kg mass is hanging from a spring. when it is in equilibrium the spring is stretched 3.0 cm pasts its zero
Calculate the Acceleration of the first block. The acceleration of gravity is 9.8 m/s square root of 2
What is the significance of the plastic handle in an aluminum pan?
Find the mass flow rate in through the vent in question #1 using the following well-known relationship for the mass flow into an opening:
If the person applies of a force of 15 N on each handle and the blades are 3.5 cm long, how much force is applied to the branch?
A model rocket rises with constant acceleration to the height of 3.7, at which point its speed is 25. what was the magnitude of the rocket's acceleration.
An electron (mass of 9.110×10-31kg and charge of -1.602×10-19C is released at rest above the surface of the earth (where g = 9.81 m/s2). A second electron directly below it exerts an electrostatic force on the first electron that exactly cancels the ..
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