Calculate for work. Five joules of work is required to stretch a spring from its natural length of 15 centimeters to the length of 25 cm. In Joules, How much work is required to stretch the spring from a length of 30cm to to a length of 42cm?

Q: A rectangular garden of area 50 square feet is to be surrounded on three sides by a fence costing $2…

A: First lets define some variable, let x= length of fence Y = length of brick of other dimension Thus…

Q: A tank is filled with 400 gallons of brine with 25 % dissolved salt. 5 gallons of 20% salt solution…

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Q: A tank is filled with 400 gallons of brine with 15 % dissolved salt. 10 gallons of 20% salt solution…

A: Given datavolume of tank=400 gallonsAmount of salt=15% of 400=400*15100=60

Q: An installer works for 6 hours and completes 48% of a job. How many hoursare needed for the complete…

A: We have, an installer works for 6 hours and completes 48% of a job. We need to calculate How many…

Q: A tank is filled with 300 gallons of brine with 10 % dissolved salt. 5 gallons of 20% salt solution…

A: Let the density of the salt be ρ lb./gallon and the mass of salt be Q(t) in the tank after t…

Q: A bath tub is being filled at 2.5 gallons per minute. The drain is letting out 1.0 gallons per…

A: Given Bath tub is filled at the rate of 2.5 gallons per minute water drains from the bathtub at the…

Q: he feed on a lathe is set for 1/128 inch. How many revolutions does the work make when the tool…

A: the feed on the lathe is set for 1128inch to find the number of  revolutions when the tool advances…

Q: bill can shovel the snow from the walk in 45 minutes. When Carol helps him, they can shovel th walk…

A:

Q: A snail is at the bottom of 10-meter well. Each day it crawls up 3 meters, but at night, it slips…

A: The snail crawls up 3 meters at day, but slips down 2 meters at night. So gradually, everyday it is…

Q: As part of a training program for the Boston Marathon, a runner wants to build endurance by running…

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Q: farmer wants to fertilize a triangular field with sides of length 300 yd, 220 yd, and 180 yd.…

A: A farmer wants to fertilize a triangular field with sides of length 300 yd,220 yd and 180 yd.…

Q: An athletes runs with velocity 11 km/h for 4 minutes, 14 km/h for the next 2 minutes, and 17 km/h…

A: Use the velocity distance formula given below, d=v×t where d is the distance, v is the velocity (in…

Q: how many dayś would it take for to mutiply 1 doller coins by 2

A: Given that Multiplication is also known as product. multiplication operator denoted by '×'. Suppose…

Q: A patient takes 75 mg of medication every 12 hours but also 60% of the medication is eliminated from…

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Q: A building contractor is to dig a foundation 45 feet long, 16 feet wide, and 6 feet deep. The…

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Q: brandon walks 3 miles at a certain speed and then he jobs 3 moles per hour faster for 9 miles. If…

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Q: An IV drip was ordered for a patient. At the start the bag contains 1,134 mL, after 2 hours, the bag…

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Q: Solve for x. 2 olve for x. 15

A: Problem 1 Formula to be used AB×AC=AD×AE

Q: Compute the gallons of sealer required to seal afloor 120′ × 250′. The sealer being used will…

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Q: A rectangular swimming pool measures 14 feet by 30 feet. The pool is surrounded on all four sides by…

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Q: a) An 84-meter length of cable is cut so that one piece is 18 meters longer than the other.…

A: Given, (a) A wire of 84 m is cut in to two pieces sothat 1st piece is 18m longer than 2nd. (b)An…

Q: The price of a ream of paper is $4.00. A ream is defined as 500 sheets of paper. If a sheet of paper…

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Q: A 400-lb cable is 250 feet long and hangs vertically from the top of a building. How much work is…

A: A 400-lb cable is 250 feet long and hangs vertically from the top of a building. ρ=mass per unit…

Q: A heavy rope, 60 ft. long weighs 2 lbs. / ft. and hangs over the edge of a building 120 ft. high.…

A:

Q: When an urn is full of water it has a mass of 2900 grams. When the urn is half full of water it has…

A: Given Data: The total mass when the urn is full of water is: m1=2900 g The total mass when the urn…

Q: A chef is going to use a mixture of two brands of Italian dressing. The first brand contains 5%…

A: NOTE: Refresh your page if you can't see any equations. . x mL of 5% solution = 0.05x y mL of 15%…

Q: A civil engineer relates the thickness T, in inches, and height H, in feet, of a square wooden…

A: Given that, T=LH2254 ------(1) T=4 inches H=10 feet To find Crushing Load L:

Q: Expand cach eypEssion as much as possible. As. e) lagafex 18x 4 B.

A: We have to expand the given function using log rules.

Q: Suppose 16 feet of copper tubing costs $27.04. Find its cost per foot.

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Q: An elevator at a construction site has a maximum capacity of 3000 pounds. If the elevator operator…

A: The elevator has a maximum capacity of 3000 pounds. The weight of the elevator operator is 245…

Q: How much work is done lifting a 40 pound object from the ground to the top of a 55 foot building if…

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Q: A taxi driver charged $2.40 for the first kilometer and $0.30 for every 12 km of part thereof. How…

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Q: The image of the ant is 8 times the ant's actual sizé and has a length of 7.2 cm. The ant's

A: The image of the ant is 8 times the ant's actual size and has length of 7.2cm

Q: A carpet is to be installed in a rectangular room whose length is measured to be 12.71 m and whose…

A:

Q: eWt and Bt avs 3ST + 1 at tim

A: Given: St =eWt and Bt =1for t.

Q: Deluxe coffee costs $4 per r pound and regulai ow many pounds of each kind of coffee should be sts?

A:

Q: Find the dimensions of a rectangle with area 2,197 m2 whose perimeter is as small as possible. (If…

A: Let's find Dimension of rectangle.

Q: For thousands of years, gold has been considered one of Earth’s most precious metals. One hundred…

A:

Q: A piece of drill rod 4 ft 1 inches long is to be cut into pins, each 3- inches long. (Enter a whole…

A: Given,         A piece of drill rod 4 ft 1 inches long is to be cut into pins, each 312 inches long.

Q: A contractor buys 14 yd of nylon carpet and 18 yd of wool carpet for $1662. A second purchase, at…

A: We have to find the cost per yard of the wool carpet.

Q: A rectangle has length (L) and width (W).   If W remains the same and L increases, must the area of…

A: Given Length = L Widht = W

Q: Ss-ruwq-eks 75° (3x+5)° Submit An:

A: The sum of the three angles of any triangle is equal to 180 degrees.

Q: calculate

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Q: It is convenient to add salt to butter, produced in a continuous butter-making machine, by adding a…

A: Given: Initially the mixture contains 60% salt and 40% water. After adding a slurry of salt water…

Q: Two resistors are wired in parallel, one of which is 100 ohms. If the total resistance is supposed…

A: The value of the second resistor needs to be 400 ohms.

Q: Australia has a coastline of 25760km and Canada has a coastline of 202080km which country has a long…

A: Given that the Australia has a coastline of 25760 km and Canada has a coastline of 202080 km. We…

Q: Assume no loss of material in cutting. How many pins will you get?

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Q: I have a large pot containing 6 liters of soup broth. If I divide the soup broth into 3lg liters for…

A: Solution...

Q: A pilot flew a jet from city A to city B, a distance of 1600 miles. On the return trip, the average…

A: Given distance=1600 We know that  1 hour=60 minutes 10 minutes=10/60=1/6 hour

Q: Show how to measure exactly 2 liters of water from a river using a 27 liter jug and a 16 liter jug.…

A: At first, fill the 2/3 rd of the larger jug so that it contain, 27*(2/3) = 18 liters. Now if we pour…