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Consider the pendulum of figure 7.4, suspended inside a railroad car, but suppose that the can is oscillating back and forth, so that the point of suspension has position x=Acos(wt), y=0. Use the angle Φ as the generalized coordinate and write down the equations that give the Cartesian coordinates of the bob in terms of Φ and vice versa.
Define a lie in the strict or formal sense and explain what is meant by communication - what is the principal purpose of communication?
Two balls of radius 2.00 mm have a separation between their centers of 5.33 cm. The same electric charge is placed on bothballs so that there is a repulsive force between them of 2.65 N.
Find the location of the center of mass of a nonuniform rod0.38 m in length if its density varieslinearly from 0.92 g/cm at one end to5.30 g/cm at the other end. Specify thecenter-of-mass location relative to the less-massive end of therod.
q1. a street lamp weighs 158 n. it is supported equally by two wires that form an angle of 104 degrees with each other.
an isolated conductor of arbitrary shape has a net charge of 15 x 10- 6 c. inside the conductor is a cavity within
Consider the scond hand on a clock which is smoothly rotating. Does it have linear velocity at the tip? Does it have tangential acceleration? If you spin a bucket full of water in a circle, why doesnt the water just fall out?
A jet with mass m = 130000.0 kg jet accelerates down the runway for takeoff at 2.3 m/s2. What is the net vertical force on the airplane as it levels off
An unstable particle at rest breaks up into two fragments ofunequal mass. what is the speed of the heavier fragment
Suppose the ball is thrown from the same height as in the above problem at an angle of 36.0°below the horizontal. find the speed and angle of the velocity vector with respect to the horizontal at impact
An object having a net charge of 32.2 uC is placed in a uniform electric field of 740 N/C directed vertically upward, i.e. in the direction opposite gravity. What is the mass, in grams, of this object if it "floats" in the field? (Suppose g = 9.80 m/..
A glass plate (n=1.62) is coated with a thin, transparent film (n=1.27). Light reflected at normal incidence is observed as the wavelength is varied continuously. Find the thickness of the film
A 40-pF capacitor is immersed in silicone oil, which has a dielectric constant of 2.6. Find how much energy is stored in the capacitor
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