Monday

August 29, 2016
Total # Posts: 69

**Math/algebra**

i think that is correct
*April 18, 2016*

**life orientation**

Which crime are you talking about?
*April 17, 2016*

**math **

A Ferris wheel has a maximum height of 245 feet and a wheel diameter of 230 feet. Find an equation for the wheel if the center of the wheel is on the y-axis and y represents the height above the ground. equation is ?
*October 2, 2015*

**conversion**

800 watts -> KW
*October 1, 2015*

**conversion**

2 KW -> Hp
*October 1, 2015*

**conversion**

20 watts -> joule/s
*October 1, 2015*

**conversion**

10 Joules -> ergs/s
*October 1, 2015*

**conversion**

5 HP -> watts
*October 1, 2015*

**PHYSICS**

a truck with a mass of 5000 kg and a velocity of 15.0 m/s collides head-on with a car whose mass is 1000 kg, moving at 30.0 m/s. if the two vehicles move together after the impact, at what velocity do they move?
*October 1, 2015*

**PHYSICS**

a car has a mass of 1200kg.The area of the tire in contact with the ground is .02m^2. What is the pressure of each tire?
*October 1, 2015*

**PHYSICS**

compute for the density of a brake fluid used in a car which has a volume of 600cm^3 and a mass of 100 g?
*October 1, 2015*

**PHYSICS**

Calculate the stress, strain and young's modulus of a wire with a cross-sectional area of 3 x 10^-7 m^2 and a length of 0.6 m that is stretched to a distance of 1.2 x 10^-3 by a 120 N force.
*October 1, 2015*

**PHYSICS**

A spring of a car has a spring constant of 155 N/m. what is the force needed to stretch the spring by 5.00 cm from its original length?
*October 1, 2015*

**phy.**

If you witnessed a broadside collision, would you expect that the velocities and weights of the cars determine where the cars will land after collision?
*August 8, 2015*

**Physics**

unsw phys1121 reppin
*April 24, 2015*

**physics**

The equation of a SHM of a 600 g object is given as x = 0.45 cos 6.4 t where the displacement x is in meters and time in seconds. What is the total energy of the system?
*January 30, 2015*

**Calculus**

It's ( -3.7103 )
*November 4, 2014*

**Living Enviroment**

- What is the purpose of the DNA Sequencing? -What is the purpose of the Polymerase Chain Reaction?
*May 24, 2014*

**Language arts**

In "Aunt Millicent,"how does Jamie make the settings of aunt Millicent travels appear realistic?
*March 28, 2014*

**science (check answers)**

no you did not
*January 29, 2014*

**Physics**

i dont know
*January 28, 2014*

**8th grade math**

Ouch! Tough blow Mr. Smeeth! Not everyone can be a genius. Thank you very much for this LOVELY time on jiskha but I very much have to go. Toodlhoo!! And thank you very much for helping me (or trying to)!! Until next time! Au revoir!!! A bientot!!
*August 25, 2013*

**8th grade math**

Well Mr. Steve, I looked up two interlocking sequences anddddd... I got nothin. Nope. Nada. Zip. Not a single thing that's has to do with math. Yay 😕
*August 25, 2013*

**8th grade math**

Okay I get where you are coming from on the 1 2 4 yada yada yada thing but I don't get how you got the second part with the 23 6 9 12. Can you please explain?
*August 25, 2013*

**8th grade math**

On my math worksheet it says, and I quote "Describe the following pattern(s) and determine the next two terms:" and then this little booger comes up. And honestly, I can't figure it out for the life of me! So if you could help it would be greatly appreciated! ...
*August 25, 2013*

**math**

Justine earned $25,000 during the first year of her job at city hall. After each year she received a 6% raise. Find her total earnings during the first five years on the job.
*May 22, 2013*

**economics**

what's the difference between buying rate and selling rate?
*April 28, 2013*

**Math**

jerome is making gift baskets using a ribbon that is 98 centimeters long he cuts 12 cenontimeter pieces of ribbon to tie on each basket what was the length of the ribbon after jerome cut off 5 pieces
*March 13, 2013*

**social studies**

omg
*March 11, 2013*

**Thesis statements??**

Thesis statement
*February 1, 2013*

**7th grade math Ms. Sue please**

What are the answers to the Equations and Inequalities Unit Test
*January 2, 2013*

**history**

Thomas Jefferson, John Hancock, Patrick Henry, Sam Adams, John Adams
*November 25, 2012*

**Ratios of Similar Figures**

Shawn was right about the answers YUMIE's answers were wrong got 4/10
*October 22, 2012*

**us history**

Also add that no national statutes could be passed without the approval of all 13 states, making federal laws difficult to pass. You already mentioned the fact that the central government was meant to be weak and did not have the power to tax, which are the revolutionary ...
*September 25, 2012*

**chemistry**

A volume of 100mL of a 0.800 M HNO3 solution is titrated with 0.640 M KOH. Calculate the volume of KOH required to reach the equivalence point.
*August 6, 2012*

**chemisty**

How many moles of Ba(OH)2 are present in 295mL of 0.800M Ba(OH)2?
*August 6, 2012*

**physics**

A radar installation that is used to track airplanes transmits electromagnetic radiation with a wavelength of 4 cm. Calculate the frequency of this radiation in Hz.
*July 1, 2012*

**physics**

A radar installation that is used to track airplanes transmits electromagnetic radiation with a wavelength of 4 cm. Calculate the frequency of this radiation in Hz. Calculate the time required for a pulse of radar waves to reach an airplane 4.0 km away and return.
*July 1, 2012*

**physics. help!**

An appliance transformer-converter is plugged into a 120 volt AC house outlet. The primary coil has 200 windings of copper wire. The secondary coil has 15 windings of wire. Calculate the voltage output of the transformer-converter.
*June 24, 2012*

**physics**

An oceanic depth-sounding vessel surveys the ocean bottom with ultrasound waves that travel at 1530 m/s in seawater. The time delay of an echo to the ocean floor below is 3 seconds. Find the depth of the water.
*June 24, 2012*

**physics**

An appliance transformer-converter is plugged into a 120 volt AC house outlet. The primary coil has 200 windings of copper wire. The secondary coil has 15 windings of wire. Calculate the voltage output of the transformer-converter.
*June 24, 2012*

**algebra**

GUY WIRE. How long is a guy wire reaching from the top of a 15ft. pole to a point on the ground 10 feet from the pole? exact length in feet. length in three decimal places in feet.
*June 18, 2012*

**physics**

Using Coulomb's Law, calculate the force of repulsion between a positive charge of 110 Coulombs and another positive charge of 220 coulombs separated by a distance of 2 meters. Use scientific notation. (Hint: use the proportionality constant)
*June 17, 2012*

**physics**

Using Coulomb's Law, calculate the force of repulsion between a positive charge of 110 Coulombs and another positive charge of 220 coulombs separated by a distance of 2 meters. Use scientific notation. (Hint: use the proportionality constant)
*June 17, 2012*

**physics**

Archimedes decides to take a warm bath. If 1 calorie equals 4.187 Joules, and the heat of fusion of ice/water is 334 J/gram, calculate the number of calories it takes to liquefy a solid block of ice of mass 100 kg at 0°C. Use scientific notation.
*June 17, 2012*

**Physics. Please help!**

A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters. What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift system in order to...
*June 10, 2012*

**Physics**

A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters. What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift system in order to...
*June 10, 2012*

**Physics**

A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters. What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift system in order to...
*June 9, 2012*

**physics**

A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters. What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift system in order to lift...
*June 9, 2012*

**Physics **

A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters. What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift system in order to...
*June 9, 2012*

**Physics**

A green sedan weighing 25,000 Newtons is put on a lift supported by a piston with a cross sectional area of 0.1 square meters. What is the minimum force that must be exerted by the air compressor that pushes down on the oil in the reservoir of the lift system in order to...
*June 9, 2012*

**algebraA**

lond distance trucker traveled 156 miles in one directionduring a storm. Thereturn trip in rainy weather was accomplished at double the speed and took 3hrs less time. Find the speed going.
*June 1, 2012*

**algebra**

The stooping distance d of a car after the brakes are appied varies directly as the square root of the speed r. If a car traveling 40mph can stop in 90 ft., how many feet will it take the same car to stop when it is traveling 60 mph.
*June 1, 2012*

**algebra**

multiply and simplify z^2-7z-18/z^2-4z+4*z-2/z-9
*May 31, 2012*

**Chemistry**

thank you. I don't understand why the O2 is to the power of two in the rate = k[NO][O2]2 when that is only a first order reaction and the NO is second order.
*March 27, 2012*

**Simple Subjects**

mrs marcus
*October 19, 2010*

**finance**

Carlyle Inc. is considering two mutually exclusive projects. Both require an initial investment of $15,000 at t = 0. Project S has an expected life of 2 years with after-tax cash inflows of $7,000 and $12,000 at the end of Years 1 and 2, respectively. Project L has an expected...
*October 19, 2009*

**math studies**

how do you find m and a once you put the first term in standard form?
*October 21, 2008*

**math studies**

Find m and a: 12x + 3y = 36 mx - 9y = a
*October 21, 2008*

**math studies**

can anyone help?
*September 28, 2008*

**math studies**

please
*September 28, 2008*

**math studies**

anyone????
*September 28, 2008*

**math studies**

An arithmetic series has a first term of -4 and a common difference of 1. A geometric series has a first term of 8 and a common ratio of 0.5. After how many terms does the sum of the arithmetic series exceed the sum of the geometric series?
*September 28, 2008*

**economics**

A country's excess of quantity demand is a nation's imports or exports?
*February 8, 2008*

**american history**

in what way did industrialization benefit the united states
*November 19, 2007*

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