Sunday

April 20, 2014

April 20, 2014

Number of results: 71

**PHYICAL**

70 - 6 (9.8)(.3) = 6 a
*Sunday, July 8, 2012 at 8:36am by Damon*

**PHYICAL**

makes no sense.
*Monday, July 9, 2012 at 5:49am by bobpursley*

**phyical science**

idk
*Sunday, February 9, 2014 at 8:51pm by nene*

**phyical science**

so will the cost be 0.01cents
*Saturday, September 4, 2010 at 10:07am by ashley*

**PHYICAL**

hey, do some yourself.
*Sunday, July 8, 2012 at 8:25am by Damon*

**PHYICAL**

What is equivalent between points a and b when R=3 R R ----\/\/\//---\/\/\/\/----| | | | | | | a | | R | b ----| --/\/\/\/\--------- | | | R | |----------\/\/\/\/-------|
*Monday, July 9, 2012 at 5:45am by ssoo*

**PHYICAL**

What is equivalent between points a and b when R=3 R R ----\/\/\//---\/\/\/\/----| | | | | | | a | | R | b ----| --/\/\/\/\--------- | | | R | |----------\/\/\/\/-------|
*Monday, July 9, 2012 at 5:49am by z*

**PHYICAL**

What is equivalent between points a and b when R=3 R R ----\/\/\/----\/\/\/---- a /\/\/\-----b \/\/\/\/-----
*Monday, July 9, 2012 at 5:54am by z*

**PHYICAL**

The speed of the water will be in m/s units, not m/sex
*Tuesday, July 10, 2012 at 5:15am by drwls*

**PHYICAL**

For the vector A=2I+3J B=I+J what is magnitude and direction of ( A-B).
*Sunday, July 8, 2012 at 9:01am by bbbb*

**PHYICAL**

\ For the vector A=2I+3J and B=I+J what is magnitude and direction of ( A-B).
*Sunday, July 8, 2012 at 9:06am by bbbb*

**phyical science**

Wouldn't it depend on the size of the ball and the ring?
*Friday, August 8, 2008 at 11:22am by bobpursley*

**Science**

gasline burns in a car engine is a phyical change?
*Wednesday, October 22, 2008 at 9:40pm by Halei*

**PHYICAL**

What is the pressure due to 30 m height water column.
*Tuesday, July 10, 2012 at 1:05am by oozz*

**PHYICAL**

What is the pressure due to 30 m height water column.
*Tuesday, July 10, 2012 at 11:15pm by asas*

**PHYICAL**

What is the pressure due to 30 m height water column.
*Tuesday, July 10, 2012 at 11:58pm by blbl*

**Chemistry!!**

43.5 i got off a phyical state changing chart...
*Sunday, May 4, 2008 at 12:39pm by Miley*

**phyical science.**

The type of fossil fuel that forms only from the remains of plants
*Wednesday, January 16, 2008 at 5:33pm by Jordan*

**social studies**

what are the 4 maps. phyical, population , polical waht is the last one please
*Friday, September 14, 2012 at 5:10pm by carina*

**social studies**

what are the 4 maps. phyical, population , polical waht is the last one please
*Friday, September 14, 2012 at 5:29pm by carina*

**PHYICAL**

A ball,500g,thrown upward at 20 m\s reaches an elevation of 15m.how much energy is lost.
*Monday, July 9, 2012 at 3:10pm by zz*

**PHYICAL**

You have asked this question before. Refer to the answers posted below under "related questions"
*Tuesday, July 10, 2012 at 11:34pm by drwls*

**PHYICAL**

\ A Motorcycle slowed down to rest from avelocity of 10 m\sec while traveling 30 m. what is its average acceleration
*Sunday, July 8, 2012 at 7:55am by bbbb*

**PHYICAL**

\ A Motorcycle slowed down to rest from avelocity of 10 m\sec while traveling 30 m. what is its average acceleration
*Sunday, July 8, 2012 at 7:55am by bbbb*

**PHYICAL**

If average current of 5.5 Amp is passing through a condutor for 2 min ,What is the charge in Coulomb ( C ) crossed any cross sectional area.
*Tuesday, July 10, 2012 at 11:22pm by asas*

**PHYICAL**

d = (1/2) a t^2 = 30 v = a t = 10 so t = 10/a 60 = a (100/a^2) a = 5/3 negative because deaccelerating
*Sunday, July 8, 2012 at 7:55am by Damon*

**PHYICAL**

A car acceleration from rest 45 m\s in 15 s average acceleration is.....
*Wednesday, July 11, 2012 at 11:45am by Q1*

**PHYICAL**

A force of 70N is applied on a 6kg box, if the frictional coefficient is 0.3 . What is the box acceleration.
*Sunday, July 8, 2012 at 8:36am by bbbb*

**phyical science**

a metal ball is just able to pass through a metal ring .is this true?
*Friday, August 8, 2008 at 11:22am by lisa*

**phyical science**

explain how the path of an electron differs in bohr's model and in the modern model of the atom
*Wednesday, October 15, 2008 at 10:17pm by taylor*

**PHYICAL**

ΔE=KE-PE=mv²/2-mgh= =0.5(20²/2 - 9.8•15)=26.5 J
*Monday, July 9, 2012 at 3:10pm by Elena*

**PHYICAL**

(1/2) m v^2 = m g h v = sqrt (2 g h) where h = 20 cm = .20 m
*Tuesday, July 10, 2012 at 5:15am by Damon*

**PHYICAL**

Acar is moving with acceleration 200 m in 50 sec reached to velocity 10 m\sec .what the total distance the car moved in 60 sec.
*Tuesday, July 10, 2012 at 9:51am by llll*

**PHYICAL**

(water density)*g*(height) = 1000 kg/m^3*9.8 m/s^2*30 m = 2.94*10^5 N/m^2 = 2.94*10^5 Pascals = 2.9 atmospheres
*Tuesday, July 10, 2012 at 1:05am by drwls*

**PHYICAL**

v=vₒ+at , vₒ=0 =>a=v/t
*Wednesday, July 11, 2012 at 11:45am by Elena*

**phyical science**

A 250 g yo-yo is swung on the end of a 50 cm string at a constant speed of 4 m/s. The centripetal force acting on the yo-yo is
*Sunday, February 9, 2014 at 8:51pm by Anonymous*

**PHYICAL**

\ A 100 N block is on rough horizontal surface. If a horizontal force F=40 N is applied and the block just start slide. What is the value of the static coefficient.
*Sunday, July 8, 2012 at 8:25am by bbbb*

**PHYICAL**

A 100 N block is on rough horizontal surface. If a horizontal force F=40 N is applied and the block just start slide. What is the value of the static coefficient.
*Sunday, July 8, 2012 at 3:27pm by a AL*

**PHYICAL**

100 N block is on rough horizontal surface. If a horizontal force F=40 N is applied and the block just start slide. What is the value of the static coefficient.
*Sunday, July 8, 2012 at 3:28pm by a *

**PHYICAL**

A - B = i + 2 j magnitude = d = sqrt (1+4) = sqrt 5 tan angle to x axis = 2/1 so angle = 63.4 deg
*Sunday, July 8, 2012 at 9:06am by Damon*

**PHYICAL**

(A-B)x=Ax-Bx=2-1=1 (A-B)y=Ay-By=3-1=2 Magnitude (A-B) =sqrt(1²+2²)=2.24 tanφ=(A-B)y/(A-B)x=2/1=2 φ=63.4º(the vectot makes this angle with x-axis)
*Sunday, July 8, 2012 at 9:01am by Elena*

**PHYICAL**

Awoman of 75kg skis down a 50m high hill , the frictional force is not negligible her speed at the bottom of the hill is only 25m\sec, What is the work done by the frictional forces
*Sunday, July 8, 2012 at 9:33am by bbbb*

**PHYICAL**

Awoman of 75kg skis down a 50m high hill , the frictional force is not negligible her speed at the bottom of the hill is only 25m\sec, What is the work done by the frictional forces.
*Sunday, July 8, 2012 at 9:35am by bbbb*

**PHYICAL**

Awoman of 75kg skis down a 50m high hill , the frictional force is not negligible her speed at the bottom of the hill is only 25m\sec, What is the work done by the frictional forces.
*Sunday, July 8, 2012 at 11:15am by alex*

**PHYICAL**

Awoman of 75kg skis down a 50m high hill , the frictional force is not negligible her speed at the bottom of the hill is only 25m\sec, What is the work done by the frictional forces
*Sunday, July 8, 2012 at 12:16pm by ale *

**PHYICAL**

Awoman of 75kg skis down a 50m high hill , the frictional force is not negligible her speed at the bottom of the hill is only 25m\sec, What is the work done by the frictional forces
*Sunday, July 8, 2012 at 9:33am by ale *

**PHYICAL**

Awoman of 75kg skis down a 50m high hill , the frictional force is not negligible her speed at the bottom of the hill is only 25m\sec, What is the work done by the frictional forces.
*Sunday, July 8, 2012 at 3:33pm by a b*

**phyical science**

so is it 1.25*(2/3)=.83 then .83+1.1=1.93 1.93/8=.2416
*Friday, September 3, 2010 at 7:04pm by ashley*

**social studies geography**

geography terms 7th grade need help in defintions of ; phyical map, political map thematic map legend title can you help me with this with definition or website
*Tuesday, November 1, 2011 at 8:39pm by marko*

**PHYICAL**

A 100 N block is on rough horizontal surface. If a horizontal force F=40 N is applied and the block just start slide. What is the value of the static coefficient. My dear sir please help me in teaching my son and thank you very much
*Sunday, July 8, 2012 at 9:42am by bbbb*

**phyical science**

Compute and add the kWh of each appliance. For the coffee maker, it is 1.65 kW * (2/3)h = 1.1 kWh. Add the microwave kWh and multiply the sum by 8¢ per kWh
*Friday, September 3, 2010 at 7:04pm by drwls*

**phyical science.**

Trailer towing tongue weight 350 New hitch is 5 inches further out. what is the formula to determine the load with the hitch 5 inches out?
*Wednesday, January 16, 2008 at 5:33pm by Tom*

**PHYICAL**

F=F(fr)=μN=μmg, μ =F/mg=40/100=0.4
*Sunday, July 8, 2012 at 9:42am by Elena*

**PHYICAL**

F=F(fr)=μN=μmg, μ =F/mg=40/100=0.4
*Sunday, July 8, 2012 at 3:27pm by Elena*

**PHYICAL**

Fap-Fs = 0 40-Fs = 0 Fs = 40N. u = Fs/Fv = 40 / 100 = 0.40 = Coefficient of static friction.
*Sunday, July 8, 2012 at 3:28pm by Henry*

**PHYICAL**

PE=KE+W(fr) W(fr)=PE-KE=mgh-mv²/2
*Sunday, July 8, 2012 at 9:35am by Elena*

**PHYICAL**

PE=KE+W(fr) W(fr)=PE-KE=mgh-mv²/2
*Sunday, July 8, 2012 at 11:15am by Elena*

**PHYICAL**

PE=KE+W(fr) W(fr)=PE-KE=mgh-mv²/2
*Sunday, July 8, 2012 at 12:16pm by Elena*

**Phyical Science**

I have several problems where I have the answer, but I need to know how to work it out. You guys are amazing. Any help would be appreciated. Problem: A series of ocean waves, each 6.0 m from crest to crest and moving past an observer at a rate of 2.0 waves per sedcond, has ...
*Monday, July 19, 2010 at 8:14pm by Sam*

**PHYICAL**

A small closed bottle is filled with water to adepth of 30 cm .A small hole located 10 cm above the bottom of the bottle is then opened .What is the speed of the water emerge from the hole in m\sex unit
*Tuesday, July 10, 2012 at 1:23am by zzzz*

**PHYICAL**

A small closed bottle is filled with water to adepth of 30 cm .A small hole located 10 cm above the bottom of the bottle is then opened .What is the speed of the water emerge from the hole in m\sex unit
*Tuesday, July 10, 2012 at 5:15am by zzozo*

**PHYICAL**

A small closed bottle is filled with water to adepth of 30 cm .A small hole located 10 cm above the bottom of the bottle is then opened .What is the speed of the water emerge from the hole in m\sec unit
*Tuesday, July 10, 2012 at 11:34pm by asas*

**phyical science.**

Petroleum and coal form from the remains of plants. http://en.wikipedia.org/wiki/Fossil_fuel
*Wednesday, January 16, 2008 at 5:33pm by Ms. Sue*

**phyical science**

6 / 60 = 0.1 hour 1235 watts = 1.235 kw so 1.235 * 0.1 = .1235 kw hr .1235 kw hr * .12 dollars/ (kw hr) = $0.01482 or about a penny and a half
*Saturday, September 4, 2010 at 10:07am by Damon*

**phyical science**

On a particular day, the following appliances are used for the times indicated: coffee maker, 40 min, and microwave oven, 23 min. Using the power requirements given in the table below, find how much it costs to use the appliances at an electrical cost of 8¢ per kWh. coffee ...
*Friday, September 3, 2010 at 7:04pm by ashley*

**Food and Nutrition**

Students will research one stage of the lifespan to explore the relationship between nutritional needs and the phyical, emotional and social challenges of meeting these needs. F or each lifespan stage students must research, identify and examine factors that affect the ...
*Wednesday, April 9, 2014 at 6:48pm by Deepa*

**PHYICAL**

h=0.30 m, hₒ=0.10 m. Bernoulli’s equation between the top surface and the exitting stream: Pₒ+0+ρghₒ=Pₒ+ρv²/2+ ρgh, v² = 2g(hₒ-h), v=sqrt{2g(hₒ-h)}=sqrt{2•9.8•(0.30-0.10)} =...
*Tuesday, July 10, 2012 at 1:23am by Elena*

**PHYICAL**

h=0.30 m, hₒ=0.10 m. Bernoulli’s equation between the top surface and the exitting stream: Pₒ+0+ρghₒ=Pₒ+ρv²/2+ ρgh, v² = 2g(hₒ-h), v=sqrt{2g(hₒ-h)}=sqrt{2•9.8•(0.30-0.10)} =...
*Tuesday, July 10, 2012 at 5:15am by Elena*

**phyical science**

A microwave oven has a power requirement of 1235 W. A frozen dinner requires 6.0 min to heat on full power. (a) How much electrical energy (in kWh) is used? 1 kWh (b) If the cost of electricity is 12 cents per kWh, how much does it cost to heat the dinner? 2¢ what is kwh if ...
*Saturday, September 4, 2010 at 10:07am by ashley*

**PHYICAL**

v=vₒ+at, => vₒ=v-at, s=vₒt+at²/2= (v-at)t+ at²/2 = vt- at²/2, a=2(vt-s)/t² =2(10•50-200)/50²=0.24 m/s². vₒ=v-at=10-0.24•50= - 2 m/s. s1= vₒt1+at1²/2 = -2•60+0.24•60²/2=312 m.
*Tuesday, July 10, 2012 at 9:51am by Elena*

**phyical science**

Bohr's model has the electrons in defined orbits see http://en.wikipedia.org/wiki/Bohr_model_of_the_atom The modern model presents the model in terms of the probability that an electron will be at a particular location. see http://en.wikipedia.org/wiki/Quantum_mechanics
*Wednesday, October 15, 2008 at 10:17pm by Dr Russ*

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