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Four equal masses m are located at the corners of asquare of side script i connected by essentially massless rods.For the following answers you may use the symbols m for m,L for script i, and g for the acceleration of gravity.a) Find the rotational inertia of this system about an axis that coincides with one side.b) Find the rotational inertia of this system about an axis that bisects two opposite sides.
A 75-kg athlete does a single-hand handstand. If the area of the hand in contact with the floor is 125 cm2, what pressure is exerted on the floor
Two small plastic spheres are given positive electrical charges. When they are a distance of 14.8cm apart, What is the charge on the second sphere
A child is riding across a rough field on a sled. Together, she and the sled have a mass of 73 kg. The sled is being pulled by her brother at an angle of 16º with a force of 356 Newtons. What is her acceleration if the coefficient of kinetic friction..
Astronauts use a centrifuge to simulate the acceleration of a rocket launch, What is the astronaut's tangential acceleration during the first 20.0s
a the total amount of charge entering a wire at time t is q 20 c 1-exp-t 2sec where 0lttlt10 is in seconds. graph qt
The acceleration due to gravity becomes weaker by about three parts in ten million for each meter of increased elevation above the Earth's surface. Suppose a skyscraper is 100 stories tall, with the same floor plan for each story and with uniform ave..
An electric utility company supplies a customer's house from the main power lines (120 V) with two copper wires, Find the potential difference at the customer's house for a load current of 109 A
four 6 microc point charges are at the corners of a square of side 3 m. find the potential at the center of the square
Electronics and inhabitants of the International Space Station generate a significant amount of thermal energy that the station must get rid of. How much power is radiated from each panel
An object is dropped from rest into a pit, and accelerates due to gravity at roughly 10 m/s2. How much deeper is the second pit, compared to the first pit
How long would it take her to reach the bottom of the hill, assuming she starts from rest and accelerates uniformly, if the elevation change is 335m.
The drawing (not to scale) shows one alignment of the sun, earth, and moon. find the magnitude of the net gravitational force on the moon
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