What is the scale factor of 7Cm to 1M?

What is the scale factor of 7Cm to 1M?
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The radius of a spherical balloon increases from 7cm to 14cm as air is being pumped into it. Find the ratio of surface areas of the balloon in the two cases. -Maths 9th

Description : The radius of a spherical balloon increases from 7cm to 14cm as air is being pumped into it. Find the ratio of surface areas of the balloon in the two cases. -Maths 9th

Last Answer : Let r1 and r2 be the radii of spherical balloon and spherical balloon when air is pumped into it respectively. So r1 = 7cm r2 = 14 cm Now, Required ratio = (initial surface area)/(Surface area after pumping air into ... = (7/14)2 = (1/2)2 = ¼ Therefore, the ratio between the surface areas is 1:4.

If two adjacent sides of a kite are 5cm and 7cm, find its perimeter. -Maths 9th

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if the total is 49cm, and we already know top and bottom the the square is 7cm, how much in cm is the sides?

Description : if the total is 49cm, and we already know top and bottom the the square is 7cm, how much in cm is the sides?

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Description : What measures 30 degrees 40 degrees an side of 5cm 7cm 8cm?

Last Answer : It is either a triangle on a curved surface or a polygon with 4or more sides.

What measures 30 degrees 40 degrees an side of 5cm 7cm 8cm?

Description : What measures 30 degrees 40 degrees an side of 5cm 7cm 8cm?

Last Answer : It is either a triangle on a curved surface or a polygon with 4or more sides.

Which of the following wavelengths where absorption of electromagnetic waves becomes peak due to vibrational resonances in the water vapor molecule? A. 1.35 cm and 1.7 mm B. 1.5 mm and 5mm C. 1.35 dm and 1.7cm D. 1.5 cm and 5 mm

Description : Which of the following wavelengths where absorption of electromagnetic waves becomes peak due to vibrational resonances in the water vapor molecule? A. 1.35 cm and 1.7 mm B. 1.5 mm and 5mm C. 1.35 dm and 1.7cm D. 1.5 cm and 5 mm

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For two charges 3C and -3C separated by 1cm and are located at distances 5cm and 7cm respectively from the point P, then the distance between their midpoint and the point P will be a) 5.91 b) 12.6 c) 2 d) 9

Description : For two charges 3C and -3C separated by 1cm and are located at distances 5cm and 7cm respectively from the point P, then the distance between their midpoint and the point P will be a) 5.91 b) 12.6 c) 2 d) 9

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The external length, breadth and height of a closed box are 10cm, 9cm and 7cm respectively. The total inner surface area of the box is 262 sq.cm. If the walls of the box are of uniform thickness “t” cm, then “t” equals a) 1cm b) 23/3 cm c) 28/9 cm d) 42.5 cm

Description : The external length, breadth and height of a closed box are 10cm, 9cm and 7cm respectively. The total inner surface area of the box is 262 sq.cm. If the walls of the box are of uniform thickness “t” cm, then “t” equals a) 1cm b) 23/3 cm c) 28/9 cm d) 42.5 cm

Last Answer : a) 1cm

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John works in a butchers shop. He is 1m 25cm tall, wears a size 7 shoes. What does he weigh? -Riddles

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It is required to make a closed cylindrical tank of height 1m and base diameter 140cm from a metal sheet. How many square meters of the sheet are required for the same? -Maths 9th

Description : It is required to make a closed cylindrical tank of height 1m and base diameter 140cm from a metal sheet. How many square meters of the sheet are required for the same? -Maths 9th

Last Answer : Let h be the height and r be the radius of a cylindrical tank. Height of cylindrical tank, h = 1m Radius = half of diameter = (140/2) cm = 70cm = 0.7m Area of sheet required = Total surface are of tank = 2πr( ... [2 (22/7) 0.7(0.7+1)] = 7.48 Therefore, 7.48 square meters of the sheet are required.

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The volume strength of `1M H_(2)O_(2)` is (Molar mass of `H_(2)O_(2) = 34 g mol^(-1)`)

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A 1m long wire of diameter `0.31mm` has a resistance of `4.2 Omega`. If it is replaced by another wire of same material of length `1.5m` and diameter

Description : A 1m long wire of diameter `0.31mm` has a resistance of `4.2 Omega`. If it is replaced by another wire of same material of length `1.5m` and diameter

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In the figure shown, a conducting wire PQ of length l=1m, is moved in a uniform magnetic field B=4T with constant velocity v=2m/s towards right. Given

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In the figure shown, a conducting wire PQ of length l=1m, is moved in a uniform magnetic field B=4T with constant velocity v=2m/s towards right. Given

Description : In the figure shown, a conducting wire PQ of length l=1m, is moved in a uniform magnetic field B=4T with constant velocity v=2m/s towards right. Given

Last Answer : In the figure shown, a conducting wire PQ of length l=1m, is moved in a uniform magnetic field B=4T with constant ... `16 N` C. `24 N` D. `32 N`

In the figure shown, a conducting wire PQ of length l=1m, is moved in a uniform magnetic field B=4T with constant velocity v=2m/s towards right. Given

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What is bigger 1m or 990 cm For math?

Description : What is bigger 1m or 990 cm For math?

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What fraction of 2m 50cm is 1m 50cm?

Description : What fraction of 2m 50cm is 1m 50cm?

Last Answer : It is 150/250 or 3/5 in its simplest form

How many cm in 27.1m?

Description : How many cm in 27.1m?

Last Answer : What is the answer ?

What is the area of a cylinder of 1m x 10m?

Description : What is the area of a cylinder of 1m x 10m?

Last Answer : First, what do you mean by "area of a cylinder"?Area is a property of two dimensional shapes whereas a cylinder is a three dimensional shape.I guess that you mean "surface area of a cylinder"Next, you ... , 10m = height1m = diameter, 10m = height1m = height, 10m = radius1m = height, 10m = diameter.

how do i Express 5cm as a fraction of 1m?

Description : how do i Express 5cm as a fraction of 1m?

Last Answer : 0.5

Write 1m 50cm in metres?

Description : Write 1m 50cm in metres?

Last Answer : 1 0.05

Four wires of the same material and dimensions as under are stretched by a load of same magnitude separately. Which of them will be elongated maximum? (a) wire of 3m length and 1.5 mm diameter (b) wire of 1m length and 2mm diameter (c) wire of 2m length and 2mm diameter (d) wire of 1m length and 1mm diameter

Description : Four wires of the same material and dimensions as under are stretched by a load of same magnitude separately. Which of them will be elongated maximum? (a) wire of 3m length and 1.5 mm diameter (b) ... and 2mm diameter (c) wire of 2m length and 2mm diameter (d) wire of 1m length and 1mm diameter

Last Answer : Ans:(a)

When the master switch for the winch shown in the illustration is in the 'off' position, and the line & safe switches are closed, which of the listed relays should be energized? EL-0102 A. 'DB' & '2T' B. 'DB' & '4M' C. 'FR-B.O.' & 'LV' D. '1M' & '1A'

Description : When the master switch for the winch shown in the illustration is in the 'off' position, and the line & safe switches are closed, which of the listed relays should be energized? EL-0102 A. 'DB' & '2T' B. 'DB' & '4M' C. 'FR-B.O.' & 'LV' D. '1M' & '1A'

Last Answer : Answer: C

The winch shown in the illustration will not operate in any speed in the lowering direction and at an abnormal speed in 'first point hoist'. The possible cause is that _______________. EL-0102 A. contactor coil '3M' has many shorted turns B. resistor 'R8-A2' has an open C. contacts '1M' in the power circuit are badly corroded D. master switch contacts 'MS6' have weak springs

Description : The winch shown in the illustration will not operate in any speed in the lowering direction and at an abnormal speed in 'first point hoist'. The possible cause is that _______________. EL-0102 A. ... '1M' in the power circuit are badly corroded D. master switch contacts 'MS6' have weak springs

Last Answer : Answer: B

Which of the listed conditions occur when selection is made for 'third point hoist' on the winch shown in the illustration? EL-0102 A. Master switch contacts '5', '6', '7', '8', and '9' close. B. Contactors '2M', '3M', '4M' and '1A' pick up. C. Contactors '1M', 3M', '1A' and '2A' drop out. D. Master switch contacts '3','4', '6', '8', and '9' close.

Description : Which of the listed conditions occur when selection is made for 'third point hoist' on the winch shown in the illustration? EL-0102 A. Master switch contacts '5', '6', '7', '8', and '9' close. B. Contactors '2M', ' ... ' and '2A' drop out. D. Master switch contacts '3','4', '6', '8', and '9' close.

Last Answer : Answer: D

0.257g of organic substance was heated with conc. sulphuric acid and then distilled with excess of strong alkali .the ammonia gas evolved was absorbed in 50ml of .1M HCl which required 23.2ml of c for neutralization at the end of the process. Determine the % of nitrogen in the compound ?

Description : 0.257g of organic substance was heated with conc. sulphuric acid and then distilled with excess of strong alkali .the ammonia gas evolved was absorbed in 50ml of .1M HCl which required 23.2ml of c for neutralization at the end of the process. Determine the % of nitrogen in the compound ?

Last Answer : A. Vol of 0 .1M HCl taken = 50ml Vol of .1MNaOH used for neutralization of unused acid=23.2ml Now, 23.2 ml of .1MNaOH =23.2ml of .1MHCl Vol of .1MHCl unused=23.2ml Vol of .1MHCl required ... NH3 solution contain nitrogen = 14*26.8/10*1000 Percentage of Nitrogen=14*26.8*100/10*1000*.257 =14.6%

What do you mean by 1M Nacl solution?

Description : What do you mean by 1M Nacl solution?

Last Answer : Ans. It means 1 mole of NaCl (58.5g) of NaCl is present in 1 litre solution.

Which of the following is closest to a yard in length? A. 0.01m B. 0.1m C. 1m (Answer) D. 10m E. 100m

Description : Which of the following is closest to a yard in length? A. 0.01m B. 0.1m C. 1m (Answer) D. 10m E. 100m

Last Answer : C. 1m (Answer)

Calculate the attenuation constant of a conductor of conductivity 200 units, frequency 1M radian/s in air. a) 11.2 b) 1.12 c) 56.23 d) 5.62

Description : Calculate the attenuation constant of a conductor of conductivity 200 units, frequency 1M radian/s in air. a) 11.2 b) 1.12 c) 56.23 d) 5.62

Last Answer : a) 11.2

Three charged cylindrical sheets are present in three spaces with σ = 5 at R = 2m, σ = - 2 at R = 4m and σ = -3 at R = 5m. Find the flux density at R = 1m. a) 0 b) 1 c) 2 d) 3

Description : Three charged cylindrical sheets are present in three spaces with σ = 5 at R = 2m, σ = - 2 at R = 4m and σ = -3 at R = 5m. Find the flux density at R = 1m. a) 0 b) 1 c) 2 d) 3

Last Answer : a) 0

Find the potential due to a charged ring of density 2 units with radius 2m and the point at which potential is measured is at a distance of 1m from the ring. a) 18π b) 24π c) 36π d) 72π

Description : Find the potential due to a charged ring of density 2 units with radius 2m and the point at which potential is measured is at a distance of 1m from the ring. a) 18π b) 24π c) 36π d) 72π

Last Answer : d) 72π

The potential of a coaxial cylinder with charge density 1 unit , inner radius 1m and outer cylinder 2m is (in 10 9 ) a) 12.74 b) 13.47 c) 12.47 d) 13.74

Description : The potential of a coaxial cylinder with charge density 1 unit , inner radius 1m and outer cylinder 2m is (in 10 9 ) a) 12.74 b) 13.47 c) 12.47 d) 13.74

Last Answer : c) 12.47

Find the electric field intensity of two charges 2C and -1C separated by a distance 1m in air. a) 18 X 10 9 b) 9 X 10 9 c) 36 X 10 9 d) -18 X 10 9

Description : Find the electric field intensity of two charges 2C and -1C separated by a distance 1m in air. a) 18 X 10 9 b) 9 X 10 9 c) 36 X 10 9 d) -18 X 10 9

Last Answer : b) 9 X 10 9

Find the force between 2C and -1C separated by a distance 1m in air(in newton). a) 18 X 10 6 b) -18 X 10 6 c) 18 X 10 -6 d) -18 X 10 -6

Description : Find the force between 2C and -1C separated by a distance 1m in air(in newton). a) 18 X 10 6 b) -18 X 10 6 c) 18 X 10 -6 d) -18 X 10 -6

Last Answer : b) -18 X 10 6