Homework Answers
| Molecule | Vx | Vy | VX2 | Vy2 | V2 = VX2 + Vy2 | V |
|---|---|---|---|---|---|---|
| 1 | 20 | -30 | 400 | 900 | 1300 | 36.06 |
| 2 | 40 | 90 | 1600 | 8100 | 9700 | 98.49 |
| 3 | -80 | 20 | 6400 | 400 | 6800 | 82.46 |
| 4 | 30 | 0 | 900 | 0 | 900 | 30 |
| 5 | 40 | -40 | 1600 | 1600 | 3200 | 56.57 |
| 6 | -50 | -40 | 2500 | 1600 | 4100 | 64.03 |
| Average | 61.268 |
V avg = 61.268 m/s
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Constants | Periodic Table The molecules in a six-particle gas have velocities v1 (20i-30j) m/s V2...
Find average velocity Constants | Periodic Table The molecules in a six-particle gas have velocities V1...
Find average velocity
Constants | Periodic Table The molecules in a six-particle gas have velocities V1 = (20i-303) m /s v2 = (30i + 90j) m/s U3 = (-70. 203) m/s из- 4 302 m/s s (40i-40j) m/s (-50i -40j) m/s
The molecules in a six-particle gas have velocities v⃗ 1=(20ı^−30ȷ^)m/s v⃗ 2=(40ı^+70ȷ^)m/s v⃗ 3=(−80ı^+20ȷ^)m/s v⃗ 4=30ı^m/s...
The molecules in a six-particle gas have velocities v⃗ 1=(20ı^−30ȷ^)m/s v⃗ 2=(40ı^+70ȷ^)m/s v⃗ 3=(−80ı^+20ȷ^)m/s v⃗ 4=30ı^m/s v⃗ 5=(40ı^−40ȷ^)m/s v⃗ 1=(−50ı^−20ȷ^)m/s Calculate v⃗ avg. Calculate vavg. Calculate vrms.
The rms speed of the molecules in 2.0 g of hydrogen gas is 1700 m/s ....
The rms speed of the molecules in 2.0 g of hydrogen gas is 1700 m/s . Part A What is the total translational kinetic energy of the gas molecules? Express your answer to two significant figures and include the appropriate units. ϵtotal ϵ t o t a l = nothing nothing Request Answer Part B What is the thermal energy of the gas? Express your answer to two significant figures and include the appropriate units. Eth E t h =...
Constants Periodic Table PartA A skateboarder starts up a 1.0-m-high, 30° ramp at a speed of...
Constants Periodic Table PartA A skateboarder starts up a 1.0-m-high, 30° ramp at a speed of 5.5 m/s. The skateboard wheels roll without friction. At the top, she leaves the ramp and sails through the air. How far from the end of the ramp does the skateboarder touch down? Express your answer to two significant figures and include the appropriate units value Units t=
Constants Periodic Table PartA A skateboarder starts up a 1.0-m-high, 30° ramp at a speed of...
Constants Periodic Table PartA A skateboarder starts up a 1.0-m-high, 30° ramp at a speed of 5.5 m/s. The skateboard wheels roll without friction. At the top, she leaves the ramp and sails through the air. How far from the end of the ramp does the skateboarder touch down? Express your answer to two significant figures and include the appropriate units value Units t=
Constants I Periodic Table A refrigerator using helium gas operates on the reversed cycle shown in...
Constants I Periodic Table A refrigerator using helium gas operates on the reversed cycle shown in the following figure. Assume that T1 -18 °C and T2 =-78 °C(Figure 1) Figure く 1of1 p (kPa) Adiabats 150 V (cm) 0 20 40 60 80 100 What is the refrigerator's coefficient of performance? Express your answer using two significant figures. you need s hotrecoghized. Review a lis acceptable units. ANSWER 5: Deduction:-3% K 1.2 P 2000J Previous Answers ANSWER 6: Deduction:-3% Correct...
Consider the reaction 8H2S(g)+4O2(g)→8H2O(g)+S8(g) Δ[H2S]/Δt = -0.067 M/s You may want to reference (Pages 587 -...
Consider the reaction
8H2S(g)+4O2(g)→8H2O(g)+S8(g) Δ[H2S]/Δt = -0.067 M/s You may want to
reference (Pages 587 - 592) Section 14.3 while completing this
problem. Part A Find Δ[O2]/Δt. Express your answer to two
significant figures and include the appropriate units. Δ[O2]/Δt =
StartFraction Upper M Over s EndFraction Previous AnswersRequest
Answer Incorrect; Try Again; One attempt remaining Part BPart
complete Find Δ[H2O]/Δt. Express your answer to two significant
figures and include the appropriate units. Δ[H2O]/Δt = 6.7×10−2 Ms
Previous Answers Correct...
Find average velocity
Constants | Periodic Table The molecules in a six-particle gas have velocities V1 = (20i-303) m /s v2 = (30i + 90j) m/s U3 = (-70. 203) m/s из- 4 302 m/s s (40i-40j) m/s (-50i -40j) m/s
Constants Periodic Table PartA A skateboarder starts up a 1.0-m-high, 30° ramp at a speed of 5.5 m/s. The skateboard wheels roll without friction. At the top, she leaves the ramp and sails through the air. How far from the end of the ramp does the skateboarder touch down? Express your answer to two significant figures and include the appropriate units value Units t=
Constants Periodic Table PartA A skateboarder starts up a 1.0-m-high, 30° ramp at a speed of 5.5 m/s. The skateboard wheels roll without friction. At the top, she leaves the ramp and sails through the air. How far from the end of the ramp does the skateboarder touch down? Express your answer to two significant figures and include the appropriate units value Units t=
Constants I Periodic Table A refrigerator using helium gas operates on the reversed cycle shown in the following figure. Assume that T1 -18 °C and T2 =-78 °C(Figure 1) Figure く 1of1 p (kPa) Adiabats 150 V (cm) 0 20 40 60 80 100 What is the refrigerator's coefficient of performance? Express your answer using two significant figures. you need s hotrecoghized. Review a lis acceptable units. ANSWER 5: Deduction:-3% K 1.2 P 2000J Previous Answers ANSWER 6: Deduction:-3% Correct...
Consider the reaction
8H2S(g)+4O2(g)→8H2O(g)+S8(g) Δ[H2S]/Δt = -0.067 M/s You may want to
reference (Pages 587 - 592) Section 14.3 while completing this
problem. Part A Find Δ[O2]/Δt. Express your answer to two
significant figures and include the appropriate units. Δ[O2]/Δt =
StartFraction Upper M Over s EndFraction Previous AnswersRequest
Answer Incorrect; Try Again; One attempt remaining Part BPart
complete Find Δ[H2O]/Δt. Express your answer to two significant
figures and include the appropriate units. Δ[H2O]/Δt = 6.7×10−2 Ms
Previous Answers Correct...
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