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An object is placed 21 centimeter from a concave mirror of radius 91 centimeter.
(a) Determine the location of the image.
cm
(b) Compute what is the magnification of the mirror?
a diffraction grating has 4588 linescm. light that contains all wavelengths between 431 and 646 nm shines on the
You are driving home from school steadily at 95 km/h for 130 km. Itthen beins to rain and you slow to 65 km/h. how far is your hometown from school
A car moves in a circle with constant speed. The tires do not slip on the road. What is the direction of the friction force on the tires by the road
the moon has an angular size of .5degrees when viewed with unaided vision from earth. what is the angular size of the moon as seen through this telescope
The coefficient of static friction
A positive charge q=3.2 x 10^-19 C moves with a velocity v=(2i + 3j - k)m/s through a region where both a uniform magnetic field, What angle does the force vector make relative to the positive x axis
A diffraction grating has a line density of 580 . This grating produces a 1st order maximum at a distance of 2.52 from the central maximum on a screen which is 5.40 away
A heat engine is composed of of a monatomic ideal gas which runs in the following cycle, What is the efficiency of this heat engine and What is the temperature at point B
A 1.49 kg ball is connected by means of two ideal strings to a vertical, rotating rod. The strings are tied to the rod and are taut. What is the tension in the lower string
A 73kW radio station broadcasts its signal uniformly in all directions. What is the average intensity of its signal at a distance of 300m from the antenna? I_avg=_______mW/m^2
The coefficient of linear expansion of a certain solid is 9 * 10^-6/C degrees. Assuming this solid behaves like most solids, what is its coefficient of volume expansion?
water flows over victoria falls which is 128 m high at an average rate of 1.80 x 106 kgs. if one third the potential
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