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A girl delivering newspapers covers her route by traveling 4.00 blocks west, 6.00 blocks north, and then 5.00 blocks east.
(a) What is her resultant displacement?
On a merry-go-round, jessica is on a horse 5m from the center and her twin sister,julia, is seated 8m from the center. what is their relationship in terms of linear velocity
A 300 kg elevator is being pulled upwards by a steel cable at a constant velocity. What is the net force on the elevator
q1. a person wears a hearing aid that uniformly increases the intensity level of all audible frequencies of sound by
A pot of hot water is boiling on your stove. The pot is in the shape of a round cylinder made of aluminum which is 10 cm in radius. The aluminum is 3 mm thick.
A solid cylinder (radius = 0.200 m, height = 0.170 m) has a mass of 19.8 kg. This cylinder is floating in water. How much of the height of the cylinder is in the oil
The moment the other student passes you, you start accelerating at 2.67 m/s2, After what distance will you catch up with your classmate
A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 56 dB by an observer 10 km away. What is the average power generated by the horn
You have a 96.1-cm-long copper rod with a rectangular cross section of dimensions 5.47 cm by 7.39 cm. Find the heat current* through the rod
A point charge q1 = -8.9 μC is located at the center of the thick conducting shell of inner radius a = 2.2 cm and outer radius b = 4.5 cm, the conducting shell has a net charge of q2 = 1.1 μC.
A fellow student of mathematical bent tells you that the wave function of a traveling wave on a thin rope isy(x,t)= 2.10mm cos[( 6.96rad/m )x+( 744rad/s )t]. Determine the average power transmitted by the wave
At t = 5 s, an object moving on the x-axis at x = 3 m is traveling at 8 m/s i. At t = 9 s, it is at x = 17 m and its velocity is -1 m/s i. Find the average acceleration for this interval
A block of mass 20kg is sliding down an incline plane with no friction. Find the normal force and the acceleration of the object
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