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A dedicated sports car enthusiast polishes the inside and outside surfaces of a hubcap that is a thin section of a sphere. When she looks into one side of the hubcap, she sees an image of her face 44.0 cm in back of the hubcap. She then flips the hubcap over and sees another image of her face 10.0 cm in back of the hubcap.
a. How far is her face from the hubcap? (answer in cm)
b. What is the radius of curvature of the hubcap? (answer in cm)
A satellite orbits at a distance from the Earth's center of about 4.80 Earth radii and takes 14.8 hours to go around once, What is its orbital velocity
Prior to the development of the digital camera, the 35-mm film camera was the norm. The designation "35 mm" refers to the size of the film (screen) on which the image is formed, What must the focal length of the camera lens be
The volume control on a surround-sound amplifier is adjusted so the sound intensity level at the listening position increases from 23 to 61 dB
Determine the speed of M2 at a time 1.85 s after the system is free from rest.
what would be the closest distance the bead would be from the point charge? (HINT for B: what would be the speed of the bead at this point? use energy conservation)
Perpetual motion machines have fascinated people especially inventors for hundreds of years before the laws of thermodynamics became known. Ideally, once energy is added to start a perpetual motion in machine, the machine would continue to operate..
A cylindrical space station of radius R and length L has a density that varies with distance from its center, Calculate the total mass M of the entire space station
As a soap bubble (n = 1.33) evaporates and thins, thereflected colors gradually disappear. What is the last color seen
A 196.2 kg satellite is in a circular orbit of 26,273 miles (42,300,000 m) in radius. The force keeping the satellite in orbit is 42.1 N
A. how much time does the car take to travel between the two points? B. what is the displacement between the starting and ending points? C. what is the average velocity? D. What is the change in velocity? What is the average (vector) acceleration?
Calculate the angular momentum of Jupiter due to its orbital motion about the Sun. In your calculation, use 7.780 1011 m as the average Jupiter-Sun distance and 3.740 108 s as the period of Jupiter in its orbit
cientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 5.0kg projectile from rest to a speed of 4.0 x 103 m/s. The net force accelerating the projectile..
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