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1. Why doesn't the normal force FN depend on the cup material?
2. Does it take more force to slide an object across a surface if there is a high value of μ or a low one? Explain your answer.
Suppose a beam of 5.0 eV protons strikes a potential energy barrier of height 5.5 eV and thickness 0.59 nm, How long would you have to wait-on average-for one proton to be transmitted
A very powerful vacuum cleaner has a hose 2.93 cm in diameter. With no nozzle on the hose, what is the weight of the heaviest brick that the cleaner can lift
The acceleration of a particle is given by ax(t)=? 1.90m/s2 +( 2.90m/s3 )t, Find the initial velocity v0x such that the particle will have the same x-coordinate at time t= 4.04s
Calculate the gravitational force between Sun and Earth by using Newton's universal gravitation, Does this mean that everything on Earth is heavier at night
A 11.7-m-radius Ferris wheelrotates once each 32 s. What is the linear speed of a passenger
A toroid of mean radius 28 cm and circular cross section of radius 2.3 cm is wound with a superconducting wire of length 1000 m that carries a current of 430 A. What is the number of turns on the coil
The time separating high tides is 12 hours and 25 minutes. Assume that the high tide occurs at 3:30 p.m. one afternoon. At what time will high tide occur the next afternoon
Explain basic wave properties and the relationships among them, such as wavelength, amplitude, period, frequency, pitch, and intensity. Apply the Doppler effect. Explain wave interference.
An electromagnetic wave has root-mean-square magnetic field magnitudeBrms = 2.7 x 10-6 T. What is the root-mean-square electric field magnitude? What is the average intensity of the wave?
An artificial satellite circling the Earth completes each orbit in 130 minutes. (The radius of the Earth is 6.38 106 m. Find the altitude of the satellite
Illustrate what other types of sensors could you deploy throughout the cafe to help operations? Illustrate what concerns would you have regarding these sensors?
A 357-g object is attached to a spring and executes simple harmonic motion with a period of 0.220 s. If the total energy of the system is 4.79 J, find the following. (a) the maximum speed of the object m/s (b) the force constant of the spring N/m (c)..
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