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A 85.6-kg wrecking ball hangs from a uniform heavy-duty chain having a mass of 27.0kg. (Use 9.80m/s2 for the gravitational acceleration at the earth's surface.)
Find the maximum tension in the chain.
What is the tension at a point three-fourths of the way up from the bottom of the chain?
Four charges, Aq, Bq, Cq, and Dq (where q = 2.25 ×10?7 C), sit in a plane at the corners of a square whose sides have length d = 82.5 cm. A charge, Eq, is placed at the origin at the center of the square.
A block of mass M is held motionless on a frictionless inclined plane by means of a string attached to a vertical wall as shown in the diagram.what is the magnitude of the tension t in string.
A 2000 kg car is slowed down uniformly from 21.0 m/s to 10.00 m/s in 3.60 s. (a) what average total force acted on the car all through that time? (b) How far did the car travel all through that time.
A person is standing at the edge of the water and looking out at the ocean (see figure). The height of the person's eyes above the water is h = 1.8 m, and the radius of the Earth is R = 6.38 x 106 m. (a) How far is it to the horizon? In other word..
Using the data calculate the average speed of blood flow in the major arteries of the body which have a total cross-sectional area of about 2.0 cm2.
What is magnitude of the linear acceleration of the hoop . Elucidate using Newton's Second Law of Motion, why you can throw a golf ball further than a bowling ball, still though you throw both at the similar angle and with the same amount of force.
what is the total displacement of the jetliner between touchdown on the runway and coming to rest.
A cardboard tube of radius R and length L has a uniform charge density on its surface. Find the potential at a point on the axis of the tube at a distance d from the center.
What is the direction of E for points. find the balls initial speed.
A coffee filter of mass 1.4 grams dropped from a height of 2 m reaches the ground with a velocity of 0.6 m/s. How much kinetic energy Kair did the air molecules gain from the falling coffee filter.
A spool of thin wire (with inner radius r = 0.50 m, outer radius R = 0.65 m, and moment of inertia I_cm = 1.1323 kg*m2) pivots on a shaft.
how long must the engine burn in order to reach this speed. What will be the equilibrium temperature when a 259 block of copper at 258 is placed in a 137 aluminum calorimeter cup containing 836 of water at 16.
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