Determine ratio of the man kinetic energy
A man weighing 710 and a woman weighing 430 have the same momentum. What is the ratio of the man's kinetic energy to that of the woman?
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A 20kg floodlight in a park is supported at the end of a horizontal beam of negligible mass that is hinged to a pole. A cable at an angle of 30 degrees with the beam supports the light. Find the tension in the cable and the horizontal and vertical
Professor Ambrosio's approach to the issue of a meaningful life draws on the typology of hero and saint. After listening to the first two lectures, what do you understand these terms to mean?
Tarzan swings on a 33.0 m long vine initially inclined at an angle of 37.0° with the vertical. (a) What is his speed at the bottom of the swing if he starts from rest?
Calculate the magnitude of the force between a gold nucleus and an electron in an orbit with radius 4.49 10-12 m around the nucleus. The gold nucleus has a charge of +79e.
A horizontal 797-N merry-go-round is a solid disk of radius 1.53 m, started from rest by a constant horizontal force of 50.4 N applied tangentially to the edge of the disk. Find the kinetic energy of the disk after 3.06 s.
The wars in Iraq and Afghanistan are unique in that soldiers and civilians have cell phones equipped with cameras, video recorders, and Internet access.
If 30 kcal of heat are supplied to 6 x 102 g of water at 21degrees C, what is the final temperature of the water?
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