# science

a large fiberglass tank was placed in a pit, before pipes could be attached and the tank filled with gasoline, the workers were asked to move the tank to another location.

which of the following suggestions would be the best way to raise the tank off the bottom of the pit so cables could be placed under the tank?

1)fill the tank with gasoline.
2)fill the tank with water
3)fill the pit with water
4)fill the pit with water and the tank with gasoline
5)fill both the pit and the tank with water

1. 👍 0
2. 👎 0
3. 👁 146
1. 3. (Use buoyancy to help raise the empty tank.)

1. 👍 0
2. 👎 0
posted by drwls
2. Fill the pit with water

1. 👍 0
2. 👎 0
posted by Gwen
3. What is the ans.

1. 👍 0
2. 👎 0
posted by Gwen

## Similar Questions

1. ### college algebra

water from a tank is being used for irrigation while the tank is being filled. The two pipes can fill the tank in 6h and 8h, respectively. the outlet pipe can empty the tank in 24h. How long would it take to fill the tank with all

asked by Zachery on December 12, 2012
2. ### Maths

3 inlet pipes A,B and C can be used to fill 1000m^3 water storage tank . When 3 pipes are in operation,the tank can be filled in 10hours .When only pipes A and B are used,the time increases to 20 hours. With pipe A and C, the tank

asked by Rainie on July 26, 2015
3. ### Algebra

A tank is drained by two pipes.One pipe can empty the tank in 30minutes,and the can empty it in 25minutes.If the tank is 5/6 filled and both pipes are opened,in what time will the tank be emptied

asked by edward on September 11, 2016
4. ### college algebra

an inlet pipe can fill a large water tank in 3 hours. an outlet pipe can empty the same tank in 5 hours. given an empty tank, at 8pm, activate both pipes. what time on the clock will it be before the tank is completely filled?

asked by L on September 30, 2009
5. ### math help

A tank has two pipes entering it.when operating together,they fill the tank in 40 minutes.operating independently,one of the pipes fills the tank 60 minutes faster than the other one does. calculate the time taken by each pipe to

asked by happy on April 7, 2015
6. ### math help

A tank has two pipes entering it.when operating together,they fill the tank in 40 minutes.operating independently,one of the pipes fills the tank 60 minutes faster than the other one does. Calculate the time taken by each pipe to

asked by thabo on April 18, 2015
7. ### Algebra

Two pipes can fill a tank in 9 hours. If the bigger of the pipes has a rate of 1 ½ times of the smaller, how long would it take each pipe to fill the tank if opened alone?

asked by Shawn on July 13, 2016
8. ### Algebra

There is a water tank with a drain of an unknown size that is always open. There is a series of input pipes above it which are all the same size. When 4 pipes are on, it takes 6 hours to fill. When 3 pipes are on, it takes 10

asked by Jimmy on June 26, 2012
9. ### math

Two pipes A and B can fill a tank in 3 and 6 min respectively.Starting with A both the pipes are opened alternatively each for 1 min.In what time the tank will be filled?

asked by sangita on June 21, 2014
10. ### Algebra 1

The first of three pipes fills a tank in 12 minutes and a second pipe in 10 minutes. If both these pipes and also a third pipe are open the tank is filled in 4 min. How many minutes will the third pipe alone require to fill the

asked by NEED HELP NOW!! on February 22, 2013

More Similar Questions