Question

Find the volume of the solid of revolution of the arc of the curve y=x^3 from y=0 to y=8 about y-axis​

Answer 1

Step-by-step explanation:

Rashid has decided to build a swimming pool as shown in the figure on an empty plot 25

metres long and 15 metres wide. He is discussing with his son Majid about his plan to build

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the pool, put tiles on the bottom of the pool and other requirements of the pool. Can you help

Majid to answer the following questions which his father has asked in the discussion?

a) What is the surface area of the pool?

i. 655m2

ii. 755m2

iii. 855m2

iv. 955m2

b) If Rashid plans to cover the bottom and sides of the pool with square tiles having side 25

cm, how many such tiles will be required?

i. 13,680

ii. 14,680

iii. 16,480

iv. 18,640

c) If each tile costs Rs 40, how much will be the total cost?

i. Rs 5,42,700

ii. Rs 5,47,200

iii. Rs 6,42,700

iv. Rs 6,47,200

d) What is the volume of the pool?

i. 2050m3

ii. 2150m3

iii. 2250m3

iv. 2350m3