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On her way to visit Grandmother, Red Riding Hood sat down to rest and placed her 1.20-kg basket of goodies beside her. A wolf came along, spotted the basket, and began to pull on the handle with a force of 6.40 N at an angle of 25° with respect to vertical. Red was not going to let go easily, so she pulled on the handle with a force of 14.2 N. If the net force on the basket is straight up, at what angle was Red Riding Hood pulling from the vertical?
Four identical masses of 869 kilogram each are located at the corners of a square whose side length is 9.5 centimeter. Find the net gravitational force on one of the masses
A 1200 car is moving on the freeway at 60.0 . What is the magnitude of its momentum in SI units? What is the magnitude of its kinetic energy in SI units. how much kinetic energy does it have
Two converging lenses having focal lengths of f1 = 10.9 cm and f2 = 20.0 cm are placed d = 50.0 cm apart. What is the overall magnification of the system
An electron enters a region of space containing a uniform 0.0000179-T magnetic field. Its speed is 151 m/s, Find the radius r of the electron\'s path
A straight wire having a length of 14.0 m is bent to form a square. If the wire carries a current of 20.0 A, what is the magnitude of the magnetic field at the center of the square
If the force that is applied is just barely less than the answer to the previous problem, what is the maximum height h so that the desk won't tip over?
a very thin sheet of brass contains two thin parallel slits. when a laser beam shines on these slits at normal
An object 5cm tall is placed halfway between the focal point and the center of curvature of a concave spherical mirror of radius 30cm. Determine the location and magnification of the image.
Summarize current research about the issue and at least two credible sources. At least one reference source should discuss the issue from a pro and the other should discuss from a con perspective.
During an all-night cram session, a student heats up a (0.7 x 10-3 m3) glass (Pyrex) beaker of cold coffee.Initially, the temperature is 18°C, How much coffee(in cubic meters) has spilled out of the beaker
When a mass is suspended from a spring, the equilibrium length is increased by 50mm. Find the period and amplitude of the resulting oscillations
Blocks with masses of 3.0 kg, 4.0 kg, and 5.0 kg are lined up in a row on a frictionless table. All three are pushed forward by a 15N force applied to the 3.0 kg block. How much force does the 4.0 kg block exert on the 3.0 kg block
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