# Posts by mitchell

Total # Posts: 51

**math**

8000

**physics**

A mechanic pushes a 3090 kg car from rest to a speed of v, doing 5497 J of work in the process. During this time, the car moves 22.1 m. Find the speed v. Neglect friction between car and road. Answer in units of m/s. 1/2mv^2 doesnt work

**physics**

A coin is placed 14.0 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on the turntable until a rate of 31.0 rpm (revolutions per minute) is reached, at which point the coin slides off. Part...

**mathematics**

Find the hcf of 12araisedto Power3b,9 ab, 15a'2'b'3',24ab'2'x

**mathematics**

The age of the father is five times the age of the son.if the total ages of the father and son is 78, find the ages of the father and son.

**econ**

M2 Balances in savings accounts M1 Currency Travelers checks

**MATH**

FAYE BOUGHT 3 PIZZAS FOR LUNCH. EACH PIZZA HAS 10 SLICES IN IT. IF 90% OF THE LUNCH WAS EATEN, HOW MANY SLICES WERE LEFT

**Math**

Satelite orbits vary in their distance from the earth. Orbits can be anywhere from 252,800 to 35,200,000 yards. What is the greatest distance between satelite orbits? Round to the nearest ten thousand to estimate. For problem 3, find the exact difference

**Math**

a merry-go-round has a radius of 20 ft has a duration per ride of 15 revolutions. How far does a person travel who rides on the merry-go-round? (use 3.14 for pi)

**science**

what is a form of energy that is always transferred from a warmer substance to a cooler one?

**math**

Each day, Mr. Samms randomly chooses 2 students from his class to serve as helpers. There are 15 boys and 10 girls in the class. What is the probability that Mr. Samms will choose 2 girls to be helpers

**chemistry**

0.213

**US/ 101Week 5 DQ4**

Have you ever used mnemonics to remember something complicated? If so, describe these techniques. How might you use mnemonics to be a more effective college student and adult learner?

**physics**

8.82

**chemistry**

Archimedes used density along with mass and volume of alloys (mixtures) of gold and silver to determine the percent of gold (and also silver) in these alloys by simple, non-destructive measurements. Prove that the mass of gold in a given mass of silver alloy is given by the ...

**science**

water'density is __ so objects that are less than __ float and objects that are more than__sink.

**Physics**

A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 9.00×10−3 {\rm m/s^2} less than that at sea level.What is the observatory's altitude?

**physics**

This is an energy problem. Because we are given mass and velocity we know to use the formula for kinetic energy. KE=1/2(mass)*(velocity)^2 KE=1/2(82 kg)*(6.0 m/s)^2 KE=1476 J

**History**

3) The evolution of the socio-political milieu during the colonial period, including Protestant Christianity’s impact on colonial social life. how did it protestantism impact work ethic and how did politics evolve on the early colonial period

**physics**

The voltage across the terminals of a 8.90 V battery is 8.00 V when the battery is connected to a 50.0 \Omega load.What is the battery's internal resistance?

**math**

58

**Auburn University**

Two 95.0 W (120 \rm V) lightbulbs are wired in series, then the combination is connected to a 120 V supply How much power is dissipated by each bulb?

**english**

Fix these questions if they are incorrect. If they aren't, just leave them alone. 1. To change the tire, John rose the wheel with a jackhammer.

**social studies 30-2**

in what ways was microsoft operating like a monopoly

**math**

In how many different ways can 8 riders be matched up to 8 horses? Explain answer please.

**Physics**

An underwater microphone is used to record sounds emitted by porpoises. The minimum intensity level the instrument can record is 10 dB. Assuming a porpoise emits sound at a rate of 0.05 J/s, what will be the max distance at which the animal will still be recorded? Neglect ...

**Social Studies**

I am doing a crossword puzzle: THe cause of the Panic of 1837 was ? or too many people buying too much land with too little collateral. It starts with an O and has 15 letters?

**Algebra**

How do you solve 5x^4-12x^3 by factoring? I tried to pull out an x^3, but x^3(5x-12) is hard to break down further into two groups. There's no factors of 5x really other than 5 and 1, and that won't work. Could you demonstrate?

**Algebra**

(x+4)^2=18. (x+4)(x+4)-18= x^2+8x-2=0. (x )(x )I have no idea how to factor this because no factors of two will add up to 48. Can you offer an explanation and tips on factoring this sort of question?

**Algebra**

How do you factor -2x^2+x+15=0? I know it should be (2x ) (x ) but I cannot find two other factors which will yield 15 AND x. 5 and 3 doesn't work and neither does 15 and 1. Could you explain what could?

**chemistry**

1a. You fill a small graduated cylinder with exactly 10.00 ml of distilled water with a temperature of 20.0oC which weighs 10.00 grams. You pour out the water and put in 10.00 ml of ethanol into the same graduated cylinder which weighs 7.893 grams. What is the specific gravity...

**chemistry**

The cost on the shipping of chemicals is dependent upon the weight of cargo upon loading. You have a choice of purchasing 9,000 gallons of ethanol from Florida or Minnesota. The temperature of the cargo leaving Minnesota is 15.0oC while the temperature of the cargo leaving ...

**Biology**

what do sympathicomimetics do?

**bio**

cells involved in increasing mitochondria in the cytoplasm

**msg for SraJMcGin**

Thanks for the msg. I am still trying to do project. I have not heard from Dawn yet. All help given has been much appreciated.

**Mitchell, Art**

thankyou

**msg for Sra (art)**

Many thanks for your help. I will keep trying.

**msg for Sra (art)**

We have, but no response from her.

**msg for Sra (art)**

Thanks for your replies. We have emailed Dawn Dupree direct but we haven't had a reply from her.

**msg for Sra (art)**

Thanks for your help. Dawn Dupree was the artist given to us. Not our choice! Mainly I have to find her works, title of each piece and date they were completed. When I have this information and written it down, I have to do my own work and version etc. I still cannot find the ...

**art**

I am doing a project on Dawn Dupree. I have to find works she has done. The title of the work and the date completed. I have tried to find this information but have had no luck. Please help, deadline for project has now been set.

**physics**

y=y0+V0yt+.5Ayt^2 0=30+10t-.5(9.8)t^2 0=4.9t^(2)+10t+30 Via Quadratic Formula t=-1.656s and/or 3.6969s since t can't be negative t must equal 3.6969s x=X0+V0xt+.5Axt^2 x=0+15(3.6969)+.5(0)t^2 x=15(3.6969) x=55.5m

**grammar**

what is the part of speech for the phrase in spite of used in the sentence Inspite of what happend yesterday, lets be friends.

**12th grade**

-7, -4, -1, 2, 5, 8, 11, 14, 17

**chemistry**

The total pressure in a flask containing air and ethanol at 25.7C is 878 mm Hg. The pressure of the air in the flask at 25.7C is 762 mm Hg. If the flask is immersed in a water bath at 30.0C , the total pressure is 980 mm Hg. The vapor pressure of ethanol at the new temperature...

**Economics**

1) GDP=14600 2) GDP=1360 ,but I do not know what it means "the proper action would be to increase taxes by." Can you let me know the answer for #2. Thanks, Mitchell

**Science**

I have to do an assignment on designing an animal that has adapted to life in the waters of the dead sea. But nothing can live in the dead sea so I don't know what to do. Can anyone help with suggestions? What about a micro organism? There are bacteria that can live in the...

**Finance**

Ra Rb Year 03 40% -30% Year 04 -24% 22 Year 05 30 42 year 06 26 46 Corrleation coefficinet= -.2374 Construct a portfolio P that contains A and B in proportions of 40% in A and 60% in B and calculate the returns on the portfolio for each of the years 03 through 06. I have no ...

**Biology**

Why are RNA viruses much more deadly than DNAbased viruses

**Biology**

when were viruses first seen 1959 http://www.ncbi.nlm.nih.gov/books/bv.fcgi?rid=mboc4.table.1751

**technology paper**

i have to write a ten page paper for my technology class on a technology that was developed in the last ten years. it can not be an innovation (such as hi-def tv, or cell phones) ive tried gps, artificial hearts, the internet, but none of them worked, i need help finding a ...