What is the pressure inside such a balloon (in atm) if it starts out at sea level with a temperature of 20.8°C and rises to an altitude where its volume is sixteen times the original volume and its temperature is  −35.7°C?

Q: (a) Show that the sum of two hermitian operators is hermitian. (b) Suppose Ô is hermitian, and a is ...

A: As you post a question with multiple parts so I have solved only the first 3 parts of the questions ...

Q: Impact extinction 65 million years ago over 50% of all species became extinct, ending the reign of d...

A: A) Using conservation of momentum, mAvA=mA+mEvv=vAmAmA+mE Change in velocity of earth is, ∆v=v-u=vAm...

Q: Human centrifuges are used to train military pilots and astronauts in preparation for high-g maneuve...

A: a) Angular speed = (88.2/4.95 )1/2                                 = 4.22 rad/s

Q: You blow across the open mouth of an empty test tube and produce the fundamental standing wave in th...

A: Part-a Given: The length of the air column L = 14 cm.

Q: An open train car, with a mass of 2070 kg, coasts along a horizontal track at the speed 2.39 m/s. Th...

A: Given that: Mass of the open train car m1=2070 kg. Mass of gravel m2=423 kg/s ×2.69 s=1137.87 kg. T...

Q: A 45 kg bouncy ball traveling to the right at 24 m/s has a direct, elastic collision with a 16 kg bo...

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Q: 1. |You are located on Earth's surface below at a latitude angle 2 north of the equator, as shown be...

A:

Q: Suppose you drop a rock into a dark well and, using precision equipment, you measure the time for th...

A: (a) When a rock is dropped into a well of height, it falls freely because of acceleration due to gra...

Q: A dust cloud with constant opacity, and a diameter of 1pc, absorbs 50% of the light that passes thro...

A: Given: x'=1 pc  

Q: A spring of stiffness 113 N/m is compressed by 0.4 m.  Its energy is used to launch a 1.9 kg mass.  ...

A: The potential energy (U) stored in the spring is given by, Here, k denotes the spring constant (sti...

Q: A cylinder contains 0.250 mol of carbon dioxide (CO2) gasat a temperature of 27.0C. The cylinder is...

A: Given, Number of moles  n=0.250 mol Initial temperature, T1=27° C=300 K Final temperature , T2=127° ...

Q: A watermelon is blown into three pieces by a large firecracker. Two pieces of equal mass m fly away ...

A:

Q: If the camera lens has diameter 0.05 m, focal-length 0.16 m, and pixel size 2 microns (2 * 10^(-6) m...

A: Given Diameter      (d) = 0.05 m Focal length (f)  = 0.16 m Pixel size           = 2 microns

Q: What is the lifetime on the main sequence of a star whose surface temperature is 6500° K and whose r...

A: Denote Stefan’s constant by σ. Evaluate the star’s luminosity (L) from its given temperature (T) and...

Q: One end of a 2.00 kg rope is tied to a support at the top of a mine shaft 80.0 m deep. The rope is s...

A: (a) speed of the transverse wave v=FTμ=Mgm/l=Mglm=20.0 kg9.8 m/s280.0 m2.00 kg=88.5 m/s

Q: Ima Bratt is at the park with her father. The 20.0 kg Ima is on a swing following the path as shown ...

A: Since there is negligible resistance throughout the motion and only conservative force (gravity) is ...

Q: A particular satellite was placed in a circular orbit about 499 mi above Earth. (a) Determine the or...

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Q: Consider a single crystal of an insulator with a band gap of 3.5 eV.   What colors of visible light ...

A: Only photons with energy equal to the band gap are absorbed. Energy of the violet light E=hcλv=1240 ...

Q: solve only  Q3 (a)

A: In the FCC arrangement, there are eight atoms at corners of the unit cell and one atom centered in e...

Q: A cylinder contains 0.250 mol of carbon dioxide (CO2) gasat a temperature of 27.0C. The cylinder is...

A: Given data: The number of moles is n=0.250 mol. The initial temperature is Ti=27.0°C. The final tem...

Q: Picture of question is attached

A: The diagram following the given situation can be drawn as below,

Q: A 2.09-kg particle has a velocity (1.90 î – 2.90 j) m/s, and a 2.95-kg particle has a velocity (0.92...

A: The velocity of the center of mass is given by Where m1, m2, ...... are the masses of the objects a...

Q: Four passengers with combined mass 250 kg compress the springs of a car with worn-out shock absorber...

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Q: A 200 cm3 glass flask is filled to the brim with mercury at 20C.How much mercury overflows when the...

A: Difference in the volume of the mercury and glass after expansion ΔVHg-ΔVg=βHgVΔT-βgVΔT=βHgVΔT-3αgVΔ...

Q: 2. Gaseous nitrogen actuates a Carnot power cycle in which the respective volumes at the four corner...

A: Given V1 = 10.10 LV2 = 14.53 LV3 = 226.54 LV4  = 157.73 LCycle heat = 21.1 kJ  

Q: Planetary motion. A planet or asteroid orbits the Sun in an elliptical path'. The diagram shows two ...

A: Introduction: The law of conservation of angular momentum states that when no external torque acts o...

Q: I already I asked this question but my homework says it's incorrect I tried 84.55 N and 85 N. Please...

A:   W = Weight of the block N1 = Normal force on the block from the inclined surface

Q: 3. What is the angular speed of a spinning amusement park ride that accelerates from 0.50rad/s at a ...

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Q: A 5-kg collar A is at rest on top of, but not attached to, a spring with stiffness k, - 400 N/m when...

A: Given Collar A mass             = 5 kg Spring stiffness k1     = 400 N/m Force                      ...

Q: A vertical spring-mass system undergoes damped oscillations due to air resistance. The spring consta...

A: The frequency of the damped harmonic oscillator is given by Where k = Spring constant, m = mass att...

Q: Find the angle 0 at which the bead would not slide o

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Q: 13. ssm (a) Using the data presented in the accompanying pressure- volume graph, estimate the magnit...

A: The x-axis scale is defined as, 2.0×10-3 m3 and the y-axis scale be defined as, 1.0×104 Pa. From poi...

Q: Am i suppose to find initial velocity of the projectile then equate this into centripetal force equa...

A: Given: The mass of ball is m=7.3 kg. The distance covered by ball is d=86.75 m. The radius of circl...

Q: In the weightlifting competition of the 1976 Olympics, Vasili Alexeevastounded the world by lifting ...

A: work done = force x displacement  to lift an object we have to apply same force as the weight of the...

Q: A drag racer accelerates from rest at an average rate of +13.2 m/s2 for a distance of 100. m. The dr...

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Q: A truck travels east with an increasing velocity. Sam claims that the truck must be accelerating tow...

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Q: The difference in mercury heights between the left tube and the right tube ish = 114 mmHg = 0.114 m,...

A:

Q: An Object is initially moving in the X direction at 5.5 m per seconds, when it undergoes an accelera...

A: Given Speed in x direction is u=5.5m/s For time t=22s Given object accelerates for the same time in ...