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Two boxes sit side by side on a smooth horizontalsurface. The lighter box has a mass of 5.2 kg, the heavier box hasa mass of 7.4 kg.
a) Find the contact force between these boxes when ahorizontal force of 5.0 N is applied to the light box.
b) Find the contact force between these two boxes when thesame 5.0 N force is applied to the heavy box.
X-rays are used for analyzing molecular structure. What is the frequency (in Hz) of X-rays that have a wavelength of ? = 13.3 nm
A very light rigid rod with a length of 0.500 m extends straight out from one end of a meter stick. Determine the period of oscillation
an lc circuit consists of a capacitor with c 3.4 x 10-6 f and an inductor with l .08h. at t 0 the capacitor has
A low tide is occuring at Galveston, TX (29o N,95o W). What other longitude is also experiencinga low tide, and what two longitudes are experiencing hightides
The lines in a grating are uniformly spaced at 1520nm. Analyse the angular separation of the second order bright fringes between light of wavelength 603nm and 615.4 nm. Reply in units of mrad.
question a capacitor is connected across the terminals of an ac generator that has a frequency of 440 hz and supplies a
A 4000 kg lunar lander is in orbit 50 km above the surface of the moon. How much work must the thrusters do
In the figure below, a slide loving pig slides down a certain 32° slide in twice the time it would take to slide down a frictionless 32° slide. What is the coefficient of kinetic friction between the pig and the slide
A fixed system of charges exerts a force of magnitude 9 N on a 3 C charge. The 3 C charge is replaced with a 10 C charge. What is the exact magnitude of the force
As part of a safety investigation, two 1900 {rm kg} cars travelling at 19 {rm m/s} are crashed into different barriers. Find the average forces exerted on (a) car that hits a line of water barrels and takes 1.8 {rm s} to stop, and (b) car that hits a..
Consider N atoms confined on a surface of area A at temperature T. The atoms form a two-dimensional (2D) gas of classical, non interacting particles.
Equipotential surfaces are to be drawn 130V apart near a very large uniformly charged metal plate carrying a surface charge density ? = 0.70?C/m2
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