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PhysicsQ&A LibraryAn oxygen tank contains 96.0 g of oxygen that has 6.00 atm of pressure at 77.0 °F. After some of the oxygen is used (released from the tank), the pressure of the oxygen has dropped to 4.00 atm at 32.0 °F. (a) What is the volume of the tank? (b) What is the mass of remaining oxygen in the tank? (a) 0.0122 (b) 70 x 10-2 m³; g.Start your trial now! First week only $4.99!*arrow_forward*

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Q: An object slides along Earth’s surface and slows down because of friction. If both the object and th...

A: Fricitional force is internal force which does not change total momentum as only external forces cha...

Q: A bag of rocks has a mass of 6.5 kg. What is its weight here on the Earth?

A: Given : Mass of a bag of rocks (m) = 6.5 kg

Q: A rock with a mass of 575 g in air is found to have an apparent mass of 347 g when submerged in wate...

A: At equilibrium, the net force on the rock in the vertical direction must be zero. Take the upward di...

Q: The human body, while at rest, produces heat energy at a rate of about 117 W. How much sweat (in g) ...

A: The heat energy evaporated per minute is, Q=Qt˙=117 W1 minute60 s1 minute=7020 J

Q: A copper wire has a resistance of 0.500 Ω at 20.0ºC , and an iron wire has a resistance of 0.525 Ω a...

A: Given that, Resistance of copper wire is Rc=0.500 Ω at T0 = 20 oC Resistance of iron wire is Ri=0.52...

Q: A large water main is 2.50 m in diameter and the average water velocity is 6.00 m/s. Find the Hall v...

A: Given: Diameter of water main = 2.5 m. Average water velocity v = 6 m/s. Magnetic field of earth B =...

Q: What will happen to the mirror when you put it in a glass of water? Does it look straight? why does ...

A: When we put mirror in glass of water refraction of light happens . It does not look straight as ligh...

Q: Procopio is driving a car (m = 1000 kg) at v1 = 11.11 m/s when he stepped on the brakes. The car tra...

A: Given, Mass of car = 1000 kg initial speed = 11.11 m/s stopping distance = 15 m

Q: A Styrofoam box has a surface area of 0.88 m2 and a wall thickness of 2.0 cm. The temperature of the...

A: The latent heat of fusion for ice is (Lf) = 3.33*105 J/kg The thick ness of the wall (l) = 2*10-2 m ...

Q: A child of mass m starts from rest from the top of the water slide. The water slide is 7.6 meters hi...

A: SOlution:

Q: 3ab and explain how you got the answer please

A: Click to see the answer

Q: (a) What current is needed to transmit 1.00×102 MW of power at 10.0 kV? (b) Find the resistance of ...

A: Electric power: Power (P) is the product of current and voltage. P = IV or P = V2R or P =I2R Un...

Q: Calculate the self-inductance of a 10.0 cm long, 4.00 cm diameter solenoid that has 200 coils.

A: We have to find the self-inductance of a 10.0 cm long, 4.00 cm diameter solenoid that has 200 coils.

Q: What is the uncertainty, (±), of: (a) 9.5 cm (b) 17 mL (c) 2.0100 g

A: uncertainty is the values which cannot be precisely or accurately measure with a given set of instru...

Q: 5. The equation for kinetic energy is KE=: ½ m•v. Solve for v, given KE and m.

A: Kinetic energy = (1/2)(m)(v)2 where m is the mass of object v is the speed of the object Now, kineti...

Q: The typical pressure of carbon dioxide in an unopened soda can is 350. kPa. Calculate the typical pr...

A: Click to see the answer

Q: Object A and B have identical size and shape, but Object A has a much higher density. The two object...

A: Buoyant force is upward force on the object by the fluid in which it is submerged. Fbuoyancy=VdgV is...

Q: The vapor pressure of mercury at 25°C is 1.85 torr. Calculate the vapor pressure in mmHg and atm. Ro...

A: The vapor pressure in mmHg can be obtained as 1.85 torr=1.85torr×1mmHg1torr=1.85mmHg

Q: T3 12.) A 2kg rock is moving at a speed of 6m/s. What is the magnitude of the force needed to stop t...

A: Given, A 2kg rock is moving at a speed of 6m/swe are asked to the magnitude of the force needed to s...

Q: Jane has a mass of 40 kg. She pushes on a 50 kg rock with a force of 100 N. What force does the rock...

A: mass of jane = 40kg mass of rock = 50kg force Jane exert on rock = 100 N

Q: T3 10.) A helicopter lifts a 100kg crate straight up via cable, with an acceleration of 0.8m/s2. If ...

A: Click to see the answer

Q: An iceboat is at rest on a frictionless frozen lake when a suddenwind exerts a constant force of 200...

A: The work done on the boat by the wind force can be given by W=F→d→cosθ

Q: (a) Calculate the force needed to bring a 1100 kg car to rest from a speed of 90.0 km/h in a distanc...

A: mass of car = 1100 kg initial speed = 90km/hr = 90 * 5/18 = 25 m/sfinal speed = 0 m/sdistance = 12...

Q: At what speed (in m/s) is the magnitude of a particle's relativistic momentum 15.3% larger than its ...

A: Let relativistic momentum is P' and classical momentum is P. we have to find speed for which P' = 15...

Q: Explain why an object in water always appears to be at a depth shallower than it actually is? Why do...

A: When we place an object at the bottom of any container, it appears to be shallower than what it actu...

Q: What are the four processes involving expansion and contraction that contribute to rock weathering?

A: Given What are the four processes involving expansion and contraction that contribute to rock weathe...

Q: what happens when you put the glass inside the glass of water?

A: What happens when you put the glass inside the glass of water.

Q: Mass A is 40 kg and mass B is 10 kg. The angle that the inclined plane makes with the horizontal is ...

A: Mass of block A is 40 kg. Mass of block B is 10 kg. The angle of the inclined plane is 30 degrees. D...

Q: Consider the figure attached. An illustration of a circular steel casting with a gap. (a) If the cas...

A: (a) The change in the length of a metal depends on the change in the change. If the temperature incr...

Q: (1%) Problem 16: A submarine is stranded on the bottom of the ocean with its hatch 25 m below the su...

A: Pressure on outside of the hatch of the submarine at 25 m below the surface of sea will be, Po=1.01×...

Q: What is the ideal speed to take a 95 m radius curve banked at a 20.0° angle?

A: Maximum speed of car on banked curve is as follows: vmax=rgtanθ ...

Q: A projectile is fired from an angle of 35degrees above the horizontal with a speed of 180m/s. Calcul...

A: In projectile motion maximum height is given by, hmax=u2sin2θ2g Time of flight of projectile motion...

Q: A 0.96N ball A, and a 1.2N ball B connected by stretched spring of negligible mass. When both balls ...

A: Force in the spring is “ K X “ where K is the spring constant and ‘X’ is the extension or the compr...

Q: How much force is required to keep a car on a circular turn of radius 100.8 m if it is traveling at ...

A: Click to see the answer

Q: Part B: What is the energy of the system when in its excited state, in units of eV?

A: Click to see the answer

Q: 2.7 b) Use the model constructed in (a) to predict the power that the device will deliver to a 25 N ...

A: Given data: Resistance, R=25 Ω

Q: 5. An aviation fuel used by a piston engine aircraft transforms 100,042 J of energy through the foll...

A: Energy produced by aviation fuel ( Input energy) = 100042 JHeat produced by vapourization = 46721 Jh...

Q: A 5.1 kg object is moving to the right at 2 m/s just before it strikes and sticks to a 2.0 kg object...

A: Momentum of mass 5.1 Kg = mv=5.1×2=10.2 Kgm/s Mass 2 Kg is at rest, therefore its momentum = 0 Hence...