Saturday

April 19, 2014

April 19, 2014

Total # Posts: 24

**Science**

A constrained string with a length of 8.5 meters is vibrating at its fundamental frequency of 113.1 Hz. What is the frequency of the 7th harmonic on this string?

**physics**

a 40 kg student is riding a bicycle to school. the bicycle has a mass of 12 kg. the area that each tire makes contact with the road can be approximated by a rectangle of dimensions 6 cm x 4 cm. what is the pressure that each tire exerts on the road? give your answer in kPa to ...

**physics**

a 40 kg student is riding a bicycle to school. the bicycle has a mass of 12 kg. the area that each tire makes contact with the road can be approximated by a rectangle of dimensions 6 cm x 4 cm. what is the pressure that each tire exerts on the road? give your answer in kPa to ...

**physics**

a 40 kg student is riding a bicycle to school. the bicycle has a mass of 12 kg. the area that each tire makes contact with the road can be approximated by a rectangle of dimensions 6 cm x 4 cm. what is the pressure that each tire exerts on the road? give your answer in kPa to ...

**Money and Banking**

I believe the correct answer should be c) Investment banks and the big 5 are just branches of each other, they do the same thing.

**chemistry**

why NH4+ ion is not strong ligand

**math**

x^3-4x^2+5x-2

**Chemistry **

A system at equilibrium contains I2(g) at a pressure of 0.23 atm and I(g) at a pressure of 0.24 atm. The system is then compressed to half its volume. Find the pressure of I2 when the system returns to equilibrium. Find the pressure of I when the system returns to equilibrium.

**the portuguese man of war**

How long has the potuguese man of war been around? How long does it live? Does it have a ruler or queen like in an ant colony?

**Physics**

A body of mass 0.1 kg is being rotated in a circular path of diameter 1 m on a frictionless horizontal plane by means of a string. It performs 10 revolutions in 31.4 sec, calculate the centripetal force acting on the body

**Chemistry 12**

Will a precipitate form if equal volumes of 0.22 M NH4NO3 and 0.22 M KBr are combined? Explain.

**math**

Mr. Jones grosses $800 per week. He has 6% automatically deposited into his savings account. At the end of the year 3% is added to the account. How much will he have in his savings account at the end of the first year after the interest is added?

**phyiscs**

1.5*10power13

**PHYSICS**

A CAR IS BEING DRIVEN BY AFORCE OF 2.5*10POWER10N.TRAVELLING AT ACONSTANT SPEED OF 5m/s,IT TAKES 2 MINUTES TO REACH A CERTAIN PLACE.CALCULATE THE WORK DONE.

**physics**

A box accidentally falls from the back of a truck and hits the groud with a speed of 15m/s forward. It slides along the groud with uniform acceleration for a distance of 45m before coming to rest. Determine the time it takes to slide the last 10m.

**Soical Stuides**

Why did the French and Spanish start fighting?

**maths help!!!!!!!!**

An empty 5-gal water jug weights 0.75lb. with 3 c of water inside, the jug weighs 2.25 lbs. Predict the weight of the jug with 5 c of water inside. Plz explain how to do this.....

**Does nobody know this problem?**

plz help

**Grade 11 maths!!!**

The drama club plans to attend a professional production. From 10 to 35 students will go. There is a one-time handling fee of $3. Each ticket costs $25 plus $2 surcharge. Write a linear function that models this situation. Show the work if possible please!!!! Plz...help!!!

**Grade 11 maths plz help!!!**

i seriously didn't get any equation with 7 for n! plz help

**Grade 11 maths plz help!!!**

A software company started with 2 employees. In 6 months, the company had 7 employees. The number of employees increased in a steady rate. Which equation models the relationship between the number of employees n and the number of months m since the company started? a.) n = 5/6...

**maths help please!!!!**

thanks so much...its so easy and i've been thinking about it since the afternoon. thanks!!!!!!

**chemistry**

At what temperature does benzene boil when the external pressure is 480 torr?

**Physics**

i think its B

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