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related to: Cm

1. ### A physics homework question?

nominal length of sidewalk on long side ℓ₀ = 19.0 m nominal length on small side is ℓ₁ = 11.0 m nominal volume of long side V₀ = ℓ₀ * b * h = 19.0m * 1.00m * 0.07m = 1.33 m³ and for short side V₁ = ℓ₁ * b * h = 11.0m * 1.00m * 0.07m = 0.77 m³ So the...

2 Answers · Science & Mathematics · 19/09/2020

2. ### A Few Urgent Math Questions (pre-calc and/or calc)!?

See below for #1.

2 Answers · Science & Mathematics · 20/09/2020

3. ### The Eiffel Tower is a steel structure whose height increases by 19.0 cm when the temperature changes from -9 to +42 oC.?

type of steel is needed. I'll guess at 12e-6 /K ∆L/L = α∆T 0.19/L = 12e-6(42– –9) L = 0.19 / (12e-6)(51) = 310 m Thermal Expansion ∆L/L = α∆T, α is linear thermal expansion coef  L...

3 Answers · Science & Mathematics · 18/09/2020

... on the map were 2 centimeters apart?    4,000 cm or 0.04 km

2 Answers · Science & Mathematics · 17/09/2020

5. ### ABCDE is a regular Pentagon of 10 cm size. FGHIJ are mid points of AB, BC, CD, DE and EA. If 1 kg mass has been placed on every point .....?

I assume that "10 cm size" means a perimeter of 10 cm . The internal angles of...1*cos108º = 2.618 cm² by the law of cosines c = 1.618 cm so the semiperimeter is s = ½(1.618 + 1 + 1) cm = 1.809 cm ...

2 Answers · Science & Mathematics · 18/09/2020

...get: x13 = k (x12 - x13) x13 = (k x12) / (1 + k)  x13 = (1.291*20) / (1 + 1.291) = 11,27 cm (distance from q1) x23 = x12 - x13 = 20 - 11.27 = 8.73 cm (distance from q2)

1 Answers · Science & Mathematics · 17/09/2020

7. ### A grasshopper makes four jumps ?

...four components west we have: 35 + 25cos36° + (-21cos61°) + (-24cos51°) i.e. 29.9 cm west Resolving the four components north we have: -25sin36° + (-21sin61...

1 Answers · Science & Mathematics · 16/09/2020

8. ### A block of aluminum with a volume of 96.7 cm3 absorbs 69.5 J of heat.?

Heat absorbed 69.5J Volume = 96.7 cm ^3 density of aluminum =2.70 g/cm3 initial temperature was 31.2 ∘C  final...

1 Answers · Science & Mathematics · 15/09/2020

9. ### Environmental science?

...garm of beet =2000 calories 1 calorie = 1/2000 = 0.0005 grams 1m =100 cm 1cm = 10-2 m Gross productivity of the sugar beets = Net primary...

1 Answers · Education & Reference · 15/09/2020

10. ### physics question?

y = 1 mm see image

2 Answers · Science & Mathematics · 15/09/2020