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in this case? (c) Next, back to the Earth, suppose that the same pendulum is pivoted at a distance equal to L/2 from the rod's upper edge. Using the value of L obtained in part (a), estimate is the period of the pendulum for this case? Problem 4 - Fluids and Heat (a) A helium balloon has a total mass M₁= 130 kg (including its load and the mass of Helium); how large should its volume be for the balloon to be able to lift in air from sea level? (b) Estimate (one significant digit) the volume that the same balloon must have to reach an altitude of 8000 m. (c) A meteorite made of iron, with mass Mmet =100 kg and initial temperature Tmet-3000 K, falls into a large lake with temperature Tlake-300 K. Estimate the total entropy change as the meteorite temperature reaches the lake temperature (Hint: use In(10) = 2.3). Problem 5-Thermodynamics Jie transformation in three steps in the P-V diagram. The initial state A has volume V₁ = 1.0 m³ and Problem 4 - Fluids and Hea Therefore (2) According to Archimedes panciple Valbon Po Vallen Pair > Mallbon Valbon > 130 kg 100 m If the balbon is to reach an elevation h = 2000m then it must se Verloon 130 kg Pair (h) Now, according to Stenu's how sppyied tong B atmosphere, assuming that Par (g) α Par (y), we ob hin Par (y) - Pur(s) 3/L Where L= Po/pog = 10° P2/1.3 kg/m³ x 3.80/ (Po - Pear (03) 5 Melbon e W/L = 100m² e ≈ 270m The change entropy of the meteenth AS met Tiake Mmet Ciron OT "That J =-100kg x 450 x fn (107 = = − 4,5 (lx 10; × 10" J/k ASCAY = Mmeet Ciron = 100 450 N న = +4×105 J/K Astot = +3 × 105 J/K AT Thake 2700 302

in this case? (c) Next, back to the Earth, suppose that the same pendulum is pivoted at a distance equal to L/2 from the rod's upper edge. Using the value of L obtained in part (a), estimate is the period of the pendulum for this case? Problem 4 - Fluids and Heat (a) A helium balloon has a total mass M₁= 130 kg (including its load and the mass of Helium); how large should its volume be for the balloon to be able to lift in air from sea level? (b) Estimate (one significant digit) the volume that the same balloon must have to reach an altitude of 8000 m. (c) A meteorite made of iron, with mass Mmet =100 kg and initial temperature Tmet-3000 K, falls into a large lake with temperature Tlake-300 K. Estimate the total entropy change as the meteorite temperature reaches the lake temperature (Hint: use In(10) = 2.3). Problem 5-Thermodynamics Jie transformation in three steps in the P-V diagram. The initial state A has volume V₁ = 1.0 m³ and Problem 4 - Fluids and Hea Therefore (2) According to Archimedes panciple Valbon Po Vallen Pair > Mallbon Valbon > 130 kg 100 m If the balbon is to reach an elevation h = 2000m then it must se Verloon 130 kg Pair (h) Now, according to Stenu's how sppyied tong B atmosphere, assuming that Par (g) α Par (y), we ob hin Par (y) - Pur(s) 3/L Where L= Po/pog = 10° P2/1.3 kg/m³ x 3.80/ (Po - Pear (03) 5 Melbon e W/L = 100m² e ≈ 270m The change entropy of the meteenth AS met Tiake Mmet Ciron OT "That J =-100kg x 450 x fn (107 = = − 4,5 (lx 10; × 10" J/k ASCAY = Mmeet Ciron = 100 450 N న = +4×105 J/K Astot = +3 × 105 J/K AT Thake 2700 302

Physics for Scientists and Engineers: Foundations and Connections
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter1: Getting Started
Section: Chapter Questions
Problem 14PQ: As part of a biology field trip, you have taken an equal-arm balance (Fig. P1. 14) to the beach....
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in this case? (c) Next, back to the Earth, suppose that the same pendulum is pivoted at a distance equal to L/2 from the rod's upper edge. Using the value of L obtained in part (a), estimate is the period of the pendulum for this case? Problem 4 - Fluids and Heat (a) A helium balloon has a total mass M₁= 130 kg (including its load and the mass of Helium); how large should its volume be for the balloon to be able to lift in air from sea level? (b) Estimate (one significant digit) the volume that the same balloon must have to reach an altitude of 8000 m. (c) A meteorite made of iron, with mass Mmet =100 kg and initial temperature Tmet-3000 K, falls into a large lake with temperature Tlake-300 K. Estimate the total entropy change as the meteorite temperature reaches the lake temperature (Hint: use In(10) = 2.3). Problem 5-Thermodynamics Jie transformation in three steps in the P-V diagram. The initial state A has volume V₁ = 1.0 m³ and
Transcribed Image Text:in this case? (c) Next, back to the Earth, suppose that the same pendulum is pivoted at a distance equal to L/2 from the rod's upper edge. Using the value of L obtained in part (a), estimate is the period of the pendulum for this case? Problem 4 - Fluids and Heat (a) A helium balloon has a total mass M₁= 130 kg (including its load and the mass of Helium); how large should its volume be for the balloon to be able to lift in air from sea level? (b) Estimate (one significant digit) the volume that the same balloon must have to reach an altitude of 8000 m. (c) A meteorite made of iron, with mass Mmet =100 kg and initial temperature Tmet-3000 K, falls into a large lake with temperature Tlake-300 K. Estimate the total entropy change as the meteorite temperature reaches the lake temperature (Hint: use In(10) = 2.3). Problem 5-Thermodynamics Jie transformation in three steps in the P-V diagram. The initial state A has volume V₁ = 1.0 m³ and
Problem 4 - Fluids and Hea Therefore (2) According to Archimedes panciple Valbon Po Vallen Pair > Mallbon Valbon > 130 kg 100 m If the balbon is to reach an elevation h = 2000m then it must se Verloon 130 kg Pair (h) Now, according to Stenu's how sppyied tong B atmosphere, assuming that Par (g) α Par (y), we ob hin Par (y) - Pur(s) 3/L Where L= Po/pog = 10° P2/1.3 kg/m³ x 3.80/ (Po - Pear (03) 5 Melbon e W/L = 100m² e ≈ 270m The change entropy of the meteenth AS met Tiake Mmet Ciron OT "That J =-100kg x 450 x fn (107 = = − 4,5 (lx 10; × 10" J/k ASCAY = Mmeet Ciron = 100 450 N న = +4×105 J/K Astot = +3 × 105 J/K AT Thake 2700 302
Transcribed Image Text:Problem 4 - Fluids and Hea Therefore (2) According to Archimedes panciple Valbon Po Vallen Pair > Mallbon Valbon > 130 kg 100 m If the balbon is to reach an elevation h = 2000m then it must se Verloon 130 kg Pair (h) Now, according to Stenu's how sppyied tong B atmosphere, assuming that Par (g) α Par (y), we ob hin Par (y) - Pur(s) 3/L Where L= Po/pog = 10° P2/1.3 kg/m³ x 3.80/ (Po - Pear (03) 5 Melbon e W/L = 100m² e ≈ 270m The change entropy of the meteenth AS met Tiake Mmet Ciron OT "That J =-100kg x 450 x fn (107 = = − 4,5 (lx 10; × 10" J/k ASCAY = Mmeet Ciron = 100 450 N న = +4×105 J/K Astot = +3 × 105 J/K AT Thake 2700 302
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