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You are walking toward a plane mirror at a speed of 2.3 m/s.
(a) How fast is your mirror image moving relative to the mirror?
(b) How fast is your image moving relative to you?
Two resistors, 50.0 ? and 52.0 ?, are connected in parallel. The current through the second resistor is 2.10 A. What is the total power supplied to the two resistors
Suppose that the hail comes straight down at a mass rate of m/?t = 0.030 kg/s and an initial velocity of v0 = -10 m/s, calculated the force exerted by the hail on the roof
A machine part rotates at an angular speed of 0.40 rad/s; its speed is then increased to 2.0 rad/s at an angular acceleration of 0.76 rad/s2
Zinc has a work function of 4.30eV. What is the longest wavelength of light that will release an electron from a zinc surface, What is the maximum possible speed of the electron
A converging lens with a focal length of 6.20cm forms an image of a 3.80mm-tall real object that is to the left of the lens. Where are the object and image located
What is the thinnest soap film (excluding the case of zero thickness) that appears black when viewed by reflected light with a wavelength of 480 {rm nm}? The index of refraction of the film is 1.33, and there is air on both sides of the film.
A box is sliding with a speed of 4.50 m/s on a horizontal surface when, at point P, it encounters a rough section. What is the coefficient of friction at the stopping point
Consider three points A,B,C on the x-y plane, where a uniform electric field E = 100(N / C)i exists, Find the potential difference VB -VA and VC-VA
A beaker has a height of 15.0 cm. The lower half of the beaker is filled with water, and the upper half is filled with oil (n = 1.48). what is the apparent depth of the bottom
The 1994 Winter Olympics included the aerials competition in skiing. In this event skiers speed down a ramp that slopes sharply upward at the end, What is the skier's launch speed
A 7.4muC charge and a -4.3mC charge are inside an uncharged sphere. What is the electric flux through the sphere
Assuming that the disks form a circular parallel plate capacitor and the electron are initially at rest when they pass through the first disk. A) determine the acceleration that the electrons undergo and B) the speed of the electrons as they pass ..
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