12/06/12

A bucket of mass 1.00 kg is whirled in a vertical circle of radius 1.40 m.
A bucket of mass 1.00 kg is whirled in a vertical circle of radius 1.40 m. At the lowest point of its motion the tension in the rope supporting the bucket is 25.0 N. (a) Find the speed of the... more
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12/06/12

Find the tension in each of the strings in Figure 6-32, given that m1 = 0.7 kg, m2 = 2.1 kg, and m3 = 2.8 kg.
Find the tension in each of the strings in Figure 6-32, given that m1 = 0.7 kg, m2 = 2.1 kg, and m3 = 2.8 kg. Assume the table is frictionless and the masses move freely. string between m1 and m2... more
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12/06/12

A sock stuck to the side of a clothes-dryer barrel has a centripetal acceleration of 28 m/s2.
A sock stuck to the side of a clothes-dryer barrel has a centripetal acceleration of 28 m/s2. If the dryer barrel has a radius of 27.6 cm, what is the tangential speed of the sock?   Can you help... more
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12/06/12

A roller-coaster car speeds down a hill past point A where R1 = 11.6 m and then rolls up a hill past point B where R2 = 15.2 m, as shown below.
A roller-coaster car speeds down a hill past point A where R1 = 11.6 m and then rolls up a hill past point B where R2 = 15.2 m, as shown below. (Image... more
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12/06/12

Help Please It's Physics
A circular-motion addict of mass 85 kg rides a Ferris wheel around in a vertical circle of radius 10 m at a constant speed of 5.8 m/s.(a) What is the period of the motion?(b) What is the magnitude... more
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12/06/12

Physics Question
A 6.8 kg bowling ball and a 6.3 kg bowling ball rest on a rack 1.26 m apart. (a) What is the force of gravity exerted on each of the balls by the other ball? (b) At what separation is the force... more
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11/27/12

A 9.00 kg hanging weight is connected by a string over a pulley to a 5.00 kg block that is sliding on a flat table.
If the coefficient of kinetic friction is 0.230, find the tension in the string. http://www.webassign.net/sb5/p5-49.gif    
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11/27/12

Two blocks on a frictionless horizontal surface are connected by a string where m1 = 8kg and m2 = 28kg. A force of 80 N is applied to the 28kg block.
http://www.webassign.net/sf/p4_65.gif Determine the acceleration of each block and the tension in the string. m/s2 (acceleration of m1) m/s2 (acceleration of m2) N (tension in the string) (b)... more
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11/24/12

Last Question hopefully .. Physics
A 9.00 kg hanging weight is connected by a string over a pulley to a 5.00 kg block that is sliding on a flat table (Fig. P5.49). If the coefficient of kinetic friction is 0.162, find the tension in... more
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11/24/12

A boy pulls a box of mass 28 kg with a force of = 30 N in the direction shown in the figure below.
A boy pulls a box of mass 28 kg with a force of = 30 N in the direction shown in the figure below. Image Address ( http://www.webassign.net/wb/4-33alt.gif ) (a) Ignoring friction, what is the... more
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11/24/12

Physics' Questionn
  Two forces, 1 and 2, act on the 5.00 kg block shown in the drawing. The magnitudes of the forces are F1 = 53.0 N and F2 = 28.5 N. What is the horizontal acceleration (magnitude and direction) of... more
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11/24/12

In Figure 5-49, three connected blocks are pulled to the right on a horizontal frictionless table by a force of magnitude T3 = 64.0 N.
In Figure 5-49, three connected blocks are pulled to the right on a horizontal frictionless table by a force of magnitude T3 = 64.0 N. Figure 5-49 (Image... more
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11/24/12

One mass, m1 = 0.205 kg, of an ideal Atwood machine (shown in the figure below) rests on the floor 1.10 m below the other mass, m2 = 0.250 kg.
One mass, m1 = 0.205 kg, of an ideal Atwood machine (shown in the figure below) rests on the floor 1.10 m below the other mass, m2 = 0.250 kg. (Image link http://www.webassign.net/wb/4-37.gif... more
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11/24/12

Physics >.<
A person pushes horizontally with a force of 270 N on a 60 kg crate to move it across a level floor. The coefficient of kinetic friction is 0.30. (a) What is the magnitude of the frictional... more
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11/24/12

Physics' Quesion
Pulling a Crate A worker drags a crate across a factory floor by pulling on a rope tied to the crate (Fig. 6-60). The worker exerts a force of 450 N on the rope, which is inclined at 38° to the... more
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11/23/12

Physics Another Physics question
Three objects are connected by light strings as shown in Figure P4.62. The string connecting the m1 = 5.50 kg mass and the m2 = 4.20 kg mass passes over a light frictionless pulley. Figure P4.62... more
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11/23/12

Physics using incline planes
The carton  lies on a plane tilted at an angle θ = 24.5° to the horizontal, with µk = 0.07. (a) Determine the acceleration of the carton as it slides down the plane.(b) If the carton starts from... more
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11/23/12

Physics Question
A 15.0 kg box is released on a 36.0° incline and accelerates down the incline at 0.271 m/s2. Find the friction force impeding its motion.How large is the coefficient of friction?
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11/23/12

Two objects with masses of 1.00 kg and 6.00 kg are connected by a light string that passes over a frictionless pulley.
Two objects with masses of 1.00 kg and 6.00 kg are connected by a light string that passes over a frictionless pulley. (a) Determine the tension in the string.(b) Determine the acceleration of... more
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11/23/12

Physics question. Using Free Body Diagrams
A 3.00 kg block starts from rest at the top of a 28.0° incline and slides 2.00 m down the incline in 1.45 s. (a) Find the acceleration of the block. (b) Find the coefficient of kinetic friction... more
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11/22/12

Physics Question (Too big to fit in this box)
Two blocks on a frictionless horizontal surface are connected by a light string, where m1 = 11 kg and m2 = 22 kg. A force of 80 N is applied to the 22 kg block. (a) Determine the acceleration of... more
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