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A scout walks 5.5 km due east from camp, then turns left and walks 2.75 km along the arc of a circle centered at the campsite, and finally walks 3.3 km directly toward the camp.
(a) How far is the scout from camp at the end of his walk?
(b) In what direction is the scout's position relative to the campsite?
(c) What is the ratio of the final magnitude of the displacement to the total distance walked?
Two ants race across a table 74 cm long. One travels at4.64 cm/s and the other at 3.99999 cm/s. while first one crosses the finish line, how far behind is the second one? Answer in units of cm.
In which scenario do you experience the larges acceleration? Explain why using physical principles you have learned.
A cryogenic storage container holds liquid helium, which boils at 4.2 K. Suppose a student painted the outer shell of the container black, Determine the rate of heat loss due to radiation
A tennis player receives a shot with the ball (0.060 0 kg) traveling horizontally at 53.5 m/s and returns the shot with the ball traveling horizontally at 39.0 m/s in the opposite direction. What work does the racquet do on the ball
Objects A and B are both positively charged. Both have a mass of 400g , but A has twice the charge of B. When A and B are placed 25cm apart, B experiences an electric force of 0.54N . What is the charge on A? If the objects are released, what is t..
An aircraft with a mass of 856 kg accelerates from 0 to 83 m/s in 9 seconds, at which time the aircraft launches. What is the kinetic energy of the aircraft
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an electron and a proton are separately placed at rest midway between two oppositely charged metal plates. which
a cat stuck up a tree and has 500 j gravitational potential energy. it then falls. find the kinetic energy of the cat
a wire is carrying a current in the -x direction. What is the direction of the uniform magnetic field such that the magnetic force is maximized
a narrow plastic pipe is almost completely supmerged in a graduated cylinder full of water, and a turning fork is held over its open end. determine the wavelength produced by the tuning fork
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