Friday

October 21, 2016
Total # Posts: 17

**Geometry**

One of corner risers is shown at the right. Find the length of the shortest side of this riser. A right triangle with legs x and x+2. With a hypotenuse of x+4.

*January 11, 2016*

**Geometry**

x=27

*January 11, 2016*

**Physics Help Please**

particle 1 of charge q1 = 6.60×10-5 C and particle 2 of charge q2 = 3.30×10-4 C are fixed to an x axis, separated by a distance d = 0.100 m. Calculate their net electric field E(x) as a function of x for the following positive and negative values of x, taking E to ...

*September 17, 2013*

**PHYSICS/MATH**

What is your average power if you lift a 33.8 kg box at a constant speed to a height of 3.27 m in 6.10 s?

*April 12, 2013*

**PHYSICS/MATH**

A mass and spring are arranged on a horizontal, frictionless table. The spring constant is k = 450 N/m, and the mass is 5.4 kg. The block is pushed against the spring so that the spring is compressed an amount 0.35 m, and then it is released. Find the velocity of the mass when...

*April 12, 2013*

**physics/math**

Calculate the magnitude of the gravitational force between the Earth and an m = 6.00 kg mass on the surface of the Earth. The distance to the center of the Earth from the surface is 6.37×103 km and the mass of the Earth is 5.98×1024 kg.

*March 22, 2013*

**physics/math**

thanks so much!!!!!

*March 22, 2013*

**physics/math**

A puck of mass m = 1.10 kg slides in a circle of radius r = 16.9 cm on a frictionless table while attached to a hanging cylinder of mass M = 2.20 kg by means of a cord that extends through a hole in the table. What speed keeps the cylinder at rest?

*March 22, 2013*

**physics/math**

A spherical raindrop of mass 0.0108 g and radius 1.37 mm falls from a cloud that is at a height of 1165 m above the ground. Assume the drag coefficient for the raindrop is 0.60 and the density of the air is 1.3 kg/m3. What is the raindrop's terminal speed? What would be ...

*March 7, 2013*

**Physics/math**

A block with mass m = 16.1 kg slides down an inclined plane of slope angle 24.3o with a constant velocity. It is then projected up the same plane with an initial speed 3.35 m/s. How far up the incline will the block move before coming to rest?

*March 7, 2013*

**Physics/mats**

Two blocks with masses m1 = 1.40 kg and m2 = 3.00 kg are connected by a massless string, as shown in the Figure. They are released from rest. The coefficent of kinetic friction between the upper block and the surface is 0.390.In the figure m1 is on top of a horizontal table ...

*March 7, 2013*

**Chemistry**

12

*September 27, 2012*

**health**

hospitals, nursing homes etc.

*September 25, 2012*

**College Physics**

the answer for the first is 2600 J and the second is -2600 J. i just don't know how to get there!

*November 12, 2009*

**College Physics**

an escalator carries you from one level to the next in the airport terminal. the upper level is 4.5 m above the lower level, and the length of the escalator is 7 m. your mass is 60 kg. how much work does the up escalator do on you when you ride it from the lower level to the ...

*November 12, 2009*

**math**

Rusty the elephant was thirsty, despite the fact that water made up 85% of his body weight. After drinking a considerable amount of water, Rusty weighed 1350 pounds, and water made up 86% of his body weight. What was Rusty's weight before he had his drink? What was the ...

*November 5, 2009*

**GChem**

I'm sooo stuck.

*August 10, 2009*

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