Thursday

February 23, 2017
Total # Posts: 40

**Physics**

A box is dragged across a floor by a rope which makes an angel 45 degree with the horizontal the tension in the rope is 100N ,while the box is dragged 10m the work done is?

*September 12, 2016*

**english**

Thank you very much.I did not understood what was Ms.Sue wanted to say? plz I am very sorry.

*June 28, 2014*

**english**

I am confuse and that's why I want your help with an example.please don't mind but I know about the meaning of conclusion.but I don't understand what types of sentence use for the conclusion of the project.

*June 28, 2014*

**english**

please write the conclusion.

*June 28, 2014*

**english**

The contents of the project are basak,tulsi,aloevera etc plants.These are made by using web design.But I am confuse what will be write in the conclusion.Please help me.

*June 28, 2014*

**english**

how to write in the conclusion at the end of the medicinal plants project?please give me an examples with details.It's very urgent.

*June 28, 2014*

**science**

The project is made by using web design.the contents of the project are aswagandha,aloevera,basak,calendula,sarpagandha etc important medicinal plants.but I am confuse what should be write as the conclusion.please help me.It's very urgent.

*June 28, 2014*

**science**

how to write a conclusion for medicinal plants projects?please explain it.

*June 28, 2014*

**math**

Two pipes A and B can fill a tank in 3 and 6 min respectively.Starting with A both the pipes are opened alternatively each for 1 min.In what time the tank will be filled?

*June 21, 2014*

**math**

I don't understand the solve.please explain it.

*June 21, 2014*

**math**

A boat takes 90 minutes less to travel 36 km downstream then to travel the same distance upstream.If the speed of the boat in still water is 10 kmph.What is the speed of the current?

*June 21, 2014*

**math**

very helpful.thanks.

*June 21, 2014*

**math**

A man rows to a place 48 km distance and back in 14 hours.He find that he can row 4km with the stream in the same time as 3 km against the stream.what is the rate of the stream?

*June 21, 2014*

**Bio3**

You want to dilute 10M sulfuric acid to make 500mL of 1M sulfuric acid. How much 10M sulfuric acid should you measure?

*October 11, 2013*

**Pre-Calculus**

What is the inverse of matrix A, to the nearest tenth? -2 7 A= 6 -8

*May 24, 2012*

**Pre-Calculus**

Find the inverse of matrix A. .6 -2 A= 6 -18

*May 24, 2012*

**Pre-Calculus**

What is the inverse of matrix C, to the nearest hundredth? 10 -6 C= -12 2

*May 24, 2012*

**Pre-Calculus**

How many terms of the series 12+4+4/3+4/9+..., are needed to yield a sum of 1459/81?

*April 28, 2012*

**Pre-Calculus**

can you explain how you got that?

*April 28, 2012*

**Pre-Calculus**

Express the repeating decimal as a ratio of two integers. 1.23535353535...

*April 28, 2012*

**Pre-Calculus**

Express the repeating decimal as a ratio of two integers. 2.6231313131....

*April 28, 2012*

**Pre-Calculus**

How many terms of the series -6+0+6+12+... are needed to yield a sum of 324?

*April 26, 2012*

**Trigonometry**

sorry, they're all squared θ not 2 θ

*March 28, 2012*

**Trigonometry**

Which of the following is equivalent to 1 − cos 2 θ/cos 2 θ? A. sec2 θ B. (csc 2 θ ) -1 C. tan 2 θ D. sin 2 θ E. –1/sin2 θ

*March 28, 2012*

**Trigonometry**

What is the smallest positive value for x where y = sin 2x reaches its maximum?

*March 28, 2012*

**government**

why has the national government's power increased since the constitution was ratified? Explain fully.

*November 2, 2011*

**government**

How does the supremacy clause make federalism work? Discuss.

*November 2, 2011*

**Physics**

When a mass of 28 g is attached to a certain spring, it makes 18 complete vibrations in 4.1 s. What is the spring constant of the spring? Answer in units of N/m.

*February 18, 2011*

**Physics**

Microwaves travel at the speed of light, 3.00×108 m/s. When the frequency of microwaves is 5.60×109 Hz, what is their wavelength? Answer in units of m.

*February 16, 2011*

**Physics**

If a spring with a spring constant k = 10 N/m is stretched from its equilibrium position by 0.1 m, and released, what would be the maxi- mum kinetic energy at any time in its motion? Neglect friction. 1. 0.025 J 2. 0.1 J 3. Not enough information given 4. 0.05 J 5. 1 J

*February 6, 2011*

**Physics**

A 52 kg skier is at the top of a slope, as in the figure. At the initial point A, the skier is 12.4 m vertically above the final point B. The acceleration of gravity is 9.81 m/s2 .Find the difference in potential energy if the zero level is midway down the slope, at a height ...

*January 25, 2011*

**Physics**

A 79.4 kg bobsled is pushed along a horizontal surface by two athletes. After the bobsled is pushed a distance of 7.1 starting from rest, its speed is 4.7 m/s. Find the magnitude of the net force on the bobsled. Answer in units of N.

*January 25, 2011*

**Physics**

Two bullets have masses of 4.6 g and 11 g, respectively. Each is fired with a speed of 41.0 m/s. a) What is the kinetic energy of the first bullet? Answer in units of J.

*January 23, 2011*

**Physics**

A 2.0×103 kg car accelerates from rest under the action of two forces. One is a forward force of 1153 N provided by traction between the wheels and the road. The other is a 939 N resistive force due to various frictional forces. How far must the car travel for its speed ...

*January 22, 2011*

**Physics**

Two objects of same material are travelling near you. Object A is a 1.9 kg mass traveling 8.3 m/s; object B is a 2 kg mass traveling 5 m/s. Which object would make you feel worse if you are hit by it?

*January 22, 2011*

**Physics**

A 3.79 kg ball is dropped from the roof of a building 163.8 m high. While the ball is falling to Earth, a horizontal wind exerts a constant force of 11.5 N on the ball. It takes 5.77 second to hit the ground. How far from the building does the ball hit the ground? Answer in ...

*December 17, 2010*

**Physics**

A 3.79 kg ball is dropped from the roof of a building 163.8 m high. While the ball is falling to Earth, a horizontal wind exerts a constant force of 11.5 N on the ball. How long does it take to hit the ground? The acceleration of gravity is 9.81 m/s2 . Answer in units of s.

*December 17, 2010*

**Algebra 1**

8x-9<-49 +9 + 9 __________ 8x < -40 __ __ 8 8 x < -5

*December 17, 2010*

**high school**

The earth exerts a force of 1400 N on an orbiting communications satellite that is 35 mi above the Earth. What is the magnitude of the force the satellite will exert on the earth? Answer in units of N.

*December 16, 2010*

**math**

speed upstream=256/4=64 speed downstream=256/2=128 rate of boat=128+64/2=96mi/hrs rate of current=128-64/2=32mi/hrs

*November 29, 2010*

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