10/24/14

Among all rectangles that have a perimeter of 130, find the dimensions of the one whose area is largest.
Among all rectangles that have the perimeter of 130, find the dimensions of the one whose area is largest. Write answer in reduced terms 
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10/08/14

My sons 6th grade math homework.
This is my sons 6th grade homework & I cannot figure out how to show the work please help. A light flashes every 2 minutes, a second light flashes every 3.5 minutes and a third flashes every 4... more
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05/06/14

find all 6 trigonometric functions of the angle whose terminal side goes through P(-4,6)
sinP= cosP= tanP=   cscP= secP= cotP=
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04/21/14

how to write in logarithmic form
how do I write these in logarithmic form?     1.  3^4 = 81       2.  (1/2)^4 = 1/16       solve for x   1.  logx32 = 5     2.  log264 = x     thankyou        
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04/25/13

Find the curvature of the curve of intersection?
Find the curvature of the curve of intersection of the cylinder x^2+y^2=16 and the plane x+z=5 at (4, 0, 1).  
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03/02/13

Find all the zeros using the Rational zero theorem
f(x) = 4x^4 + 21x^3 +33x^2 + 147x +35
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02/26/13

A 23kg suitcase is being pulled with constant speed by a handle that is at an angle fo 25 degrees above the horizontial. Question below.
A 23kg suitcase is being pulled with constant speed by a handle that is at an angle fo 25 degrees above the horizontial. If the normal force exerted on the suitcase is 200N, what is the F applied... more
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02/26/13

1500kg car pulls a 600kg trailer away from the stoplight with an acceleration of 2.0m/s^2. Questions below
On vacation, your 1500kg car pulls a 600kg trailer away from the stoplight with an acceleration of 2.0m/s^2, What is the net force exerted on the trailer, what force does the trailer exert on the... more
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02/18/13

forces physics problem - Please Help ASAP
You plan to fly a model airplane of mass 0.550 kg that is attached to a horizontal string. The plane will travel in a horizontal circle of radius 5.10 m. (Assume the weight of the plane is balanced... more
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02/18/13

forces physics problem - Please Help ASAP
Your moving company is to load a crate of books on a truck with the help of some planks that slope upward 33°. The mass of the crate is 98.0 kg, and the coefficient of sliding friction between it... more
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02/18/13

forces physics problem - Please Help ASAP
A curve of radius 138 m is banked at an angle of 11°. An 762-kg car negotiates the curve at 82 km/h without skidding. Neglect the effects of air drag and rolling friction. Find the following.(a)... more
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02/18/13

forces physics problem - Please Help ASAP
The radius of curvature of a loop-the-loop for a roller coaster is 14.0 m. At the top of the loop, the force that the seat exerts on a passenger of mass m is 0.35mg. Find the speed of the roller... more
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02/18/13

forces physics problem - Please Help ASAP
Suppose you ride a bicycle in a 21.6-m-radius circle on a horizontal surface. The resultant force exerted by the surface on the bicycle (normal force plus frictional force) makes an angle of 13.8°... more
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02/18/13

forces physics problem - Please Help ASAP
A 0.70 kg stone attached to a string is whirled in a horizontal circle of radius 28 cm as in the figure below. The string makes an angle of 30° with the vertical. (a) Find the speed of the... more
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02/18/13

forces physics problem - Please Help ASAP
A block of mass m1 is attached to a cord of length L1, which is fixed at one end. The block moves in a horizontal circle on a frictionless tabletop. A second block of mass m2 is attached to the... more
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02/18/13

forces physics problem - Please Help ASAP
A 0.30 kg stone attached to a 0.8 m long string is rotated in a horizontal plane. The string makes an angle of 15° with the horizontal. Determine the speed of the stone.
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02/18/13

forces physics problem - Please Help ASAP
A sky diver of mass 66 kg can slow herself to a constant speed of 99 km/h by orienting her body horizontally, looking straight down with arms and legs extended. In this position, she presents the... more
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02/18/13

forces problem - Please Help ASAP
The coefficient of static friction between a rubber tire and the road surface is 0.85. What is the maximum acceleration of a 1042-kg four-wheel-drive truck if the road makes an angle of 12.7° with... more
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02/18/13

forces problem - Please Help ASAP
An automobile is going up a grade of 15° at a speed of 25.5 m/s. The coefficient of static friction between the tires and the road is 0.70.(a) What minimum distance does it take to stop the... more
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02/18/13

forces problem - Please Help ASAP
A rear-wheel-drive car supports 48% of its weight on its two drive wheels and has a coefficient of static friction of 0.60.(a) What is the vehicle's maximum acceleration?(b) What is the shortest... more
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02/18/13

Forces problem - Please Help ASAP
In the figure below, m1 = 3.2 kg, m2 = 5.8 kg, and the coefficient of kinetic friction between the inclined plane and the 3.2-kg block is μk = 0.25. Find the magnitude of the acceleration of the... more
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02/12/13

Force of Tension Problem - Please Help ASAP
A 15000-kg helicopter is lowering a 4300-kg truck by a cable of fixed length. The truck, helicopter, and cable are descending at 17.0 m/s and must be slowed to 5.00 m/s in the next 56.0 m of... more
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02/12/13

Atwood's Machine Problem - Please help ASAP
Both sides of wire start out with 5 washers with the total mass of 5m.  When N washers are transferred from the left side to the right side, the right side descends 70.56 cm in 0.60 s. Find N.
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02/12/13

Forces Problem - Please help ASAP
A 32.8-kg traffic light is supported by two wires. T1 is of the right wire which connects to the vertical pole at 30 degrees below horizontal. T2 is of the left wire which connects to the... more
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02/06/13

2 dimensional motion problem
Starting from rest at point A, you ride your motorcycle north (the direction) to point B 90.0 m away, increasing speed at a steady rate of 1.55 m/s2. You then gradually turn toward the east (the... more
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