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A block of mass m = 15.5 kg rests on an inclined plane with a coefficient of static friction of ?s = 0.13 between the block and the plane. The inclined plane is L = 5.1 m long and it has a height of h = 3.55 m at its tallest point. What is the force of gravity along the plane, Fgx in Newtons?
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. What is the orbital period of the faster planet, in years
A ball on a porch rolls 60cm to the porch's edge, drops 40cm, continues rolling on the grass, and eventually stops 80cm from the porch's edge. What is the magnitude of ball's total displacement, in centimeters.
Calculate the speed of a proton after it accelerates from rest through a potential difference of 170V, Calculate the speed of an electron
An object of mass 5.00 kg and traveling 40.0 m/s to the right collides with a second object of mass 25.0 kg traveling 10.0 m/s to the left. how much energy went into heat and sound
A piece of glass has a thin film of gasoline floating on it. A beam of light is shining perpendicular on the film. what is the minimum nonzero thickness of the film
Differentiate between the following three types of plain carbon steels.
A student is reading a lecture written on a blackboard. The lenses in her eyes have a refractive power of 58.05 diopters, what is the height of the image on the retina
Two small plastic balls hang from threads of negligible mass. Each ball has a mass of 0.54 g and a charge of magnitude q. Find the magnitude of the charge on the balls
A spring with a force constant of 1645 N/m is compressed 11.1 cm. Find the work done by the force compressing the spring
A 4.00 x 107 kg battleship originally at rest fires a 1200 kg artillery shell horizontally with a velocity of +400 m/s. Calculate the increase in internal kinetic energy
Two parallel slits are illuminated by light composed of two wavelengths, one of which is 654 nm. What is the unknown wavelength
The summit of a mountain 2450 m above a baseball camp is measured on a map to be 4 m horizontally from the base camp in a direction 32.4 west of the north. Illustrate what are the components of the displacement vector from the camp to the summit
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