Thursday

December 8, 2016
Total # Posts: 25

**Thank you for checking.**

thank you

*November 10, 2016*

**Math**

Which two square roots are used to estimate ?5? ?1 and ?2 ?2 and ?4 ?4 and ?9 <== 3 ?9 and ?16 Estimate the value of ?45 to the nearest integer. -7 6 -6 7 <== 4 An estimate for -?66 is -6. -7. -8. <=== 3?? -9. An estimate for ?3 is 1. 1.2. 1.7. <=== 3?? 2. An ...

*November 10, 2016*

**Physics**

So far, I have only come up with an equation where the velocity is defined as a = (V^2)/R aR = V^2 V = √(aR) Need help relating angle and mass to the resultant acceleration of radial and tangential acceleration.

*July 30, 2014*

**Physics**

A 3.0g bead has been threaded onto a vertical, frictionless, circular hoop with a 20cm radius. The bead is released from rest at 25º below the vertical. (a) Find the speed of the bead when it is 70° below the vertical. (b) Using the free-body diagram technique, find ...

*July 30, 2014*

**Please Help Me :( Science: Biology, Genetics!**

That's cheating Ma'am. I work for the Connexus, we have those exact questions, the Principal will be more that happy to take a child and devious as you out of school.

*March 10, 2014*

**Physics**

An aluminum calorimetry cup [mc = 0.6 kg, cc = 0.22 kcal/(kgC)] is filled with water [mw = 2.4 kg, cw = 1 kcal/(kgC)]. It is at a temperature of 30C. A sample of an unknown substance with mass mm = 2.34 kg, originally at a temperature of 210C, is added. After a while, the ...

*January 31, 2014*

**Physics**

How much (in Celsius degrees) is the temperature of 1.3 kg of alcohol raised by adding 4.1 kcal of heat? The following piece of information may come in handy: specific heat of alcohol is 0.58 kcal/kgC.

*January 17, 2014*

**Physics **

An aluminum calorimetry cup [mc = 0.6 kg, cc = 0.22 kcal/(kgC)] is filled with water [mw = 2.4 kg, cw = 1 kcal/(kgC)]. It is at a temperature of 30C. A sample of an unknown substance with mass mm = 2.34 kg, originally at a temperature of 210C, is added. After a while, the ...

*January 17, 2014*

**Physics**

A weightlifter manages to lift a 133 kg (that's 293 pounds, which sounds much more impressive) weight a distance of 1.4 m. How many kcal of heat energy is equivalent to this lift?

*January 17, 2014*

**Physics**

I got 1, is that right?

*January 17, 2014*

**Chemistry**

A weightlifter manages to lift a 133 kg (that's 293 pounds, which sounds much more impressive) weight a distance of 1.4 m. How many kcal of heat energy is equivalent to this lift?

*January 15, 2014*

**Physics**

By what amount will a 178 m long concrete slab on the Mackinac Bridge contract when going from +39C to -35C? The linear expansion coefficient is 10^-5 per C.

*January 15, 2014*

**physics**

A car enters the freeway with a speed of 6.4 m/s and accelerates uniformly for 2.9 km in3.4 min. How fast is the car moving after this time? Answer in units of m/s

*October 1, 2013*

**Organic Chem**

The rh=Nrh dillute the mixture diyrate the miixture by boiling to 150-160 tepure feheight for 45 minutes crank the water high to dulite.'

*April 16, 2012*

**Math-verify~**

A parallelogram is defined by vectors OA=(4,3) and OB=(1,1). Determine the length of the diagonals OA+OB=(4,3)+(1,1) =(5,4) sqrt(5^2+4^2) =6.403 OA-OB=(3,2) sqrt(3^2+2^2)=3.60 Therefore the length of diagonals are 6.40 and 3.60 units.

*March 27, 2012*

**Math**

I have to solve the equation by finding the exact solution. Please Help. 1/4 log(x)-log(10000)=4

*October 30, 2011*

**Math Homework**

A car dealer carries out the following calculations. What is the annual percentage rate? (Round your answer to the nearest tenth.) List price $ 5,368.00 Options $ 1,625.00 Destination charges $ 200.00 Subtotal $ 7,193.00 Tax $ 431.58 Less trade-in $ 2,932.00 Amount to be ...

*October 30, 2011*

**Cultural Anthropology**

How has this social institution of Family affected the culture of "North America," of "Asia," and/or "Europe

*October 24, 2010*

**PLEASE HELP Math**

At noon, ship A is 40 nautical miles due west of ship B. Ship A is sailing west at 24 knots and ship B is sailing north at 22 knots. How fast (in knots) is the distance between the ships changing at 6 PM? (Note: 1 knot is a speed of 1 nautical mile per hour.)

*March 15, 2009*

**11th grade**

during what holiday did german and english soldiers observe an informal truce they shared their food buried theri dead and sang together

*January 31, 2009*

**U.S.History**

during what holiday did german and english soldiers observe an informal truce they shared their food buried their dead and sang together

*January 31, 2009*

**U.S.History**

during what holiday did german and english soldiers observe an informal turce

*January 31, 2009*

**Critical Thinking**

What are some example of prejudical rhetorical device and nonprejudical devices.

*September 12, 2008*

**MATH**

23.4

*September 12, 2008*

**math fifth grade**

this number is a factor of 48. this number is even. this number is a multiple of 6 the sum of the digitsof this number equals 3

*September 23, 2007*

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