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6) アミノ ソーx y+x ton(r

7. True or false: Ks is planar.

A) When an object is located a distance of x feet from the origin, a force of x2+3x  pounds is acting on it. How much work (in ft-lbs) is required to move the object from x=1 to x=4? B) A tank that is 5 feet deep, with a square bottom with sides 4 feet each, has 2 feet of water that weighs 62.3 lb/ft3 in it. How much work (in ft-lbs) will it take to pump the water pump the water up and out of the tank?   C) Suppose it takes a force of 30 N to hold a spring that has been stretched from its natural length of 6 cm to a length of 8 cm. How much work (in J) is done in stretching the spring from 7 cm to 9 cm? Note: Enter your answer without the use of commas. Round to the nearest integer.

3.27 The biaxial state of strain at a point is given by 11 = 800x10-6 in./in., 22 = 200×10-6 in./in., €12 = 400 x 10-6 in./in. Find the principal strains and their directions.

Dece X Parap X B Sign X Colle X ACCUX A Exami X A Accu X pom.google.com/u/1/w/NDU1M]K«MD9 IN2QX/t/all Complete the following questions on a separate sheet of paper. 1. Amachine bales hay in cylindrical rolls. For storage, a shrink-wrap protective Cover is placed on the bale. a) Determine the volume of hay in a bale and the area of the shrink-wrap covering it. b) How much shrink-wrap is needed if the wrap does not coOver the ends of the roll2 C) Suppose the shrink-wrap is priced by the square metre. To the nearest square metre, how many square metres of wrap are needed to cover the bale as described in part b? 2. A fruit drink is sold in a box that contains 10 drink pouches. The dimensions of the box are shown. a) Determine the surface arca of the cardboard used for the box. Fruit Drink 14.5 cm b) Each drink pouch uses about 340 cm2jof material, How much is used for the 10 pouches? Trak c) Each drink pouch contains 200 mL. What is the total amount of drink in the package? 28 5 cm 3. A…

17 Jlgull Classical theory fails appeared sharper when applied on the movement of the electron of hydrogen atom ulan O ihi O

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1 1 а) у- 1 b) y= 1+ Vx c) y= с) у3 3 — х 1+x' (аns.: a )Vx,0 0,у> 0; с)x 0)

Amount of Water in Containers 600 400 Container Q 200 Container P 20 40 60 80 Time (min) How Long will it take for both containers to have the same amount of water? A) 0 minutes B) 20 minutes 40 minutes D) 60 mirutes Amount of water (mL)