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A.) Write Newton's law of gravitational force between you (mass m) and the earth (mass ME, radius RE) in the form of an equation.
B.) Your normal weight is 630N. What would your weight be if the radius of the earth were tripled?
C.) What if the mass and radius of the earth were both tripled?
Two loudspeakers, 5.0 m apart and facing each other, play identical sounds of the same frequency, What is the frequency of the sound (in Hz)
A disoriented physics professor drives a distance 3.25km north, then a distance 3.65km west, Find the direction of the resultant displacement, using the method of components
A thin film with index of refraction n = 1.29 is placed in one arm of a Michelson interferometer, perpendicular to the optical path. If this causes a shift of 8.0 bright fringes of the pattern produced by light of wavelength 693nm, what is the film t..
With a particular grating a doublet of the two wavelengths 731.3 and 732.1 nm is viewed in the third order at 9.3° to the normal, find the grating spacing in nanometers
A plate carries a charge of -2.5µC, while a rod carries a charge of 1.9 µC. How many electrons must be transferred from the plate to the rod, so that both objects havethe same charge?
A resistor with R=300 ? and an inductor are connected in series across an ac source that has voltage amplitude 500 V. What is the power factor
Two 7.0mm×7.0mm electrodes with a 0.10-mm-thicksheet of Mylar between them are attached to a 7.0Vbattery, What is the electric field before and after the Mylar is withdrawn
a light inelastic rope is wrapped around a cylinder passes over a pulley and is attached to one end of a spring of
A ball on a porch rolls 44 cm to the porch's edge, drops 94 cm, continues rolling on the grass, What is the magnitude of the ball's net displacement
Your friend's 0.0185 kg graduation tassel hangs on a string from his rearview mirror. Find the tension in the string holding the tassel
A camera's flash uses the energy stored in a 260?F capacitor charged to 190V . The current in the charging circuit is not to exceed 21mA, What's the resistance in the charging circuit
Two particles of charge Q(-L,0) and nQ(αL,0) where n = 10. When a third charge is placed at the origin, it is found that the force on it is zero. Find out α.
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