Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

You are not logged in.

- Topics: Active | Unanswered

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,057

Hi;

.

.

II 158. What is the density of concrete in kilograms per meter cube?

II 159. What is the density of cotton in kilograms per meter cube?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,057

Hi;

Good attempt, bobbym! (II 158)

II 160. What is the density of Bromine in kilograms per meter cube? (room temperature)

II 161. What is the density of Diethyl ether in grams per cubic centimeters or kilograms per meter cube?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,057

Hi;

II 162. What is the area in square kilometers or square miles of the nation Democratic Republic of the Congo? (±5%)

II 163. What is the area in square kilometers or square miles of the nation Republic of the Sudan? (±5%)

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,057

Hi;

Although not within the range of 5%, it is very close, a good attempt! Neat work, bobbym! (II 163)

II 164. What is the unit franklin (Fr)?

II 165. What is the unit maxwell, abbreviated as Mx?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,057

Hi;

.

The Answer II 165 is correct. Excellent, bobbym!

II 166. What are the composition of Alpha brasses and Beta brasses?

II 167. What is the composition of Constantan, a copper-nickel alloy also known as Eureka, Advance, and Ferry?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,057

Hi;

The Answer II 167 is correct. Neat work, bobbym!

II 168. Give the value of

up to three decimals. (rounded)II 169. Give the value of

up to three decimals. (rounded)Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,057

Hi;

Both the Answers, II 168 and II 169, are perfect. Brilliant, bobbym!

II 170. What is the Surface Gravity in meters per second square of Jupiter? (±10%)

II 171. What is the Surface Gravity in meters per second square of Saturn? (±10%)

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,057

Hi;

The Answer II 170 is perfect (well within the range). Excellent, bobbym!

II 172. What is the Escape velocity in kilometers per second of Jupiter?

II 173. What is the Escape velocity in kilometers per second of Saturn?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**bobbym****bumpkin**- From: Bumpkinland
- Registered: 2009-04-12
- Posts: 109,606

Hi;

**In mathematics, you don't understand things. You just get used to them.****If it ain't broke, fix it until it is.**** Always satisfy the Prime Directive of getting the right answer above all else.**

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,057

Hi;

Both the Answers, II 172 and II 173, are correct. Perfect, bobbym!

II 174. What is the refractive index of Silver Bromide?

II 175. What is the refractive index of Aluminium oxide (British English) or aluminum oxide (American English)?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline

**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 27,057

Hi.

II 176. What is the value : 1° of latitude at equator (Kilometers or miles)?

II 177. What is the value : 1° of latitude at poles (Kilometers or miles)?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

Offline