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An object is placed 5 cm in front of a spherical mirror. A virtual image is formed 10 cm behind the mirror.
(a) What is the radius of curvature of the mirror?
(b) Is the mirror concave or convex?
(c) Is the image upright or inverted?
(d) What is the magnification of the mirror?
Heat Q flows spontaneously from a reservoir at 445 K into a reservoir at 265 K. Because of the spontaneous flow, 2620 J of energy is rendered unavailable for work when a Carnot engine operates between the reservoir at 265 K and a reservoir at 248 K. ..
Let the masses of blocks A and B be 4.0 kg and 2.0 kg, in that order, the moment of inertia of the wheel about its axis be 0.400 kg*m^2, and the radius of the wheel be 0.140 m. Find the linear accelerations of block A if there is no slipping between ..
The light shining on a diffraction grating has a wavelength of 463 nm (in vacuum). How many lines per centimeter does the grating have
A 280g ball is dropped from a height of 1.6m , bounces on a hard floor, and rebounds to a height of 1.1m. What maximum force does the floor exert on the ball
a 25 kg child on a 2m long swing is released from rest when the ropes of the swing make an angle of 25 degrees with the vertical, neglecting friction, find the childs speed at the lowest position
Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades and the ice. Determine the acceleration (magnitude and direction) of the man
two point charges are located on the y axis as follows: charge q1 = -1.50nC at y1 = -0.550m , and charge q2 = 4.10nC at the origin, What is the magnitude of the net force
Unpolarized light passes through five successive Polaroid sheets, What is the intensity of the transmitted beam
By calculation, determine the wavelength of three principal visible lines of hydrogen from energy transitions n=3, 4
A mass, m= 1.23kg is hanging from a string. The string is stretched 0.641m from its natural equlibrium position. If i lift the mass 0.36m and let it go, what will be its maximum velocity
A red laser from the physics lab is marked as producing 632.8-nm light. When light from this laser falls on two closely spaced slits, What is the wavelength of light produced by the pointer
A rectangular loop of wire carrying a 4.0-A current is placed in a magnetic field of 0.60 T. What is the area of this loop
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