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9-lb collar can slide on a frictionless horizontal rod and is attached to a spring of constant 2.5 lb/in. It is acted upon by a periodic force of magnitude P = Pm sin vft, where Pm = 3 lb. Determine the amplitude of the motion of the collar if
(a) ωf = 5 rad/s,
(b) ωf = 10 rad/s.
q1. after being accelerated to a speed of 1.7times10 5 ms the particle enters a uniform magnetic field of strength 1.00
A 2 cm aluminum bar issued as a part of a temperature control switch for a high temperature operation. At 200oC the bar has elongated sufficient such that it now touches a second contact causing the switch to close. How far away from the other contac..
A concave lens has a focal length of -33 cm. Find the image distance and magnification that results when an object is placed 21cm in front of the lens.
The membrane that surrounds a certain type of living cell has a surface area of 5.00 10-9 m2 and a thickness of 1 10-8 m. Assume that the membrane behaves like a parallel plate capacitor and has a dielectric constant of 5.
a 24-inch string is wrapped around the 18-inch radius axis of a yo-yo. starting from rest the yo-yo descends with a
A wave composed of two sinusoidal waves of identical amplitude but different frequencies has the equation s = 2A cos (45.0t) cos (67.0t) , where the coefficient of t is stated in rad/s. What is the lower of the two frequencies (in Hz) of the sinusoid..
The minimum distance required to stop a car moving at 42.0 mi/h is 39.0 ft. What is the minimum stopping distance for the same car moving at 67.0 mi/h, assuming the similar rate of acceleration.
A parallel-plate capacitor has a capacitance C0. A second parallel-plate capacitor has plates with twice the area and twice the separation. What is the capacitance of the second capacitor
A- Applying 50 grams causes the piezoelectric device to produce an output voltage of 0.95 volts, and applying 750 grams causes the piezoelectric device to produce an output voltage of 7.06 volts. What mass must be applied to the force sensor to pr..
A 0.0250 kg bullet moving horizontally at 400 m/s embeds itself into an initially stationary 0.500 kg block. What is their velocity just after the collision
A turtle ambles leisurely-as turtles tend to do-when it moves from a location with position vector r1,x = 1.01 m and r1,y = -2.99 m in a lettuce garden to another location, What are the components and the magnitude of the turtle\'s average velocity
An 80.0-m-long brass rod is struck at one end. A person at the other end hears two sounds as a result of two longitudinal waves, What is the time interval between the two sounds
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