An aluminum-alloy rod has a length of 8.5985 cm at 27.00°C and a length of 8.6466 cm at the boiling point of water. (a) What is the length of the rod at the freezing point of water? (b) What is the temperature if the length of the rod is 8.6128 cm?
Q: Boxes A and B in the figure have masses of 10.0 kg and 2.0 kg, respectively. The two boxes are…
A:
Q: What is the angle between the positive x-axis and the vector A=(-25 i+45 j) m ? * O 119° 61° 1519…
A:
Q: A 2.75-kg cat moves in a straight line (the x-axis). Figure E4.14 shows a graph of the x-component…
A:
Q: How far from the earth would you be able to travel in a lifetime of 76 years if you were able to…
A:
Q: Two point charges of +2.0 µC and – 1.0 µC are 10 cm apart. The electrical force between them is?…
A:
Q: A spring needs a force of 3 N to compress it 37 cm. How much work is required to stretch the spring…
A: force (F) = 3 N compression (d) = 37 cm = 0.37 m
Q: Which of the following is CORRECT? O 1. calcium : nonmetal O 2. radon : metal 3. silicon : metal O…
A:
Q: Rank the total mechanical energy of the coaster at the points of concern below. (Ignore friction.) C…
A: Mechanical energy is the sum of kinetic energy and potential energy.
Q: The temperature of an iron bar is 360F. It is placed in an oven, after 1 and 2 minutes,…
A:
Q: An electron in the beam of a TV picture tube is accelerated by a potential difference of 1.94 kV.…
A: We have an electron beam that is accelerated through a potential difference of V=1.94 kV as it…
Q: What happens to an object that is immersed in a liquid and the buoyant force that it experiences is…
A:
Q: A very long wire carrying a conventional current of 3.5 A is straight except for a circular loop of…
A:
Q: The pcessure of Imole of an ideal is inccaSing temperature Ys increasing at arate of 0.23 K/S, Use…
A:
Q: GD News Translate Equilibrum. Three balls of different masses are thrown straight upward with…
A:
Q: The law of reflection applies to A. Light. B. Sound. C. Both of the above. D. None of the above.
A:
Q: as part of a lecture demonstration, a physics professor plans to hold an ununsulated current…
A:
Q: Calculate the dot product of the two vectors: A=i+4j-3k and B=j-2k O 10 > O11 O3
A:
Q: 2. A F=60 N parallel to the ramp pushes a 3 kg block up a ramp. The ramp is inclined at an angle of…
A: Please note : As per answering guidlines I can answer the first three questions of a multisub-part…
Q: What is the angle between the two vectors A = 2i + 3j and B = i-2j is * 0° 120 60 O 90
A:
Q: Assume the lens-to-retina distance of the human eye is 2.00 cm. Calculate the power P, in diopters,…
A:
Q: A helicopter is lifting two crates simultaneously. One crate with a mass of 200.0 kg is attached to…
A:
Q: This, the length of the pendulum is 1.03 m. Now you start with the pendulum at 28.7 degrees with…
A:
Q: What is the angle between vectors A- 2i + 3j + k and B- 3i • 2j • K?
A: Given Data: The vector A is: A=2i+3j+k The vector B is: B=3i+2j+k
Q: Problem #3 A projectile is fired straight upward from the Earth's surface at the South Pole with an…
A:
Q: Explain in detail why a spinning ice-skater's angular speed increases when she pulls in her arms…
A: When the arms are pulled close to her body the moment of inertia( mr2)decreases because the mass…
Q: 6 m 1.0 m T3 2 m T2 3 m 2 m 2 m The magnitude of one of the forces is T2 = 80 kN. Find the…
A:
Q: If you go scuba diving, the pressure exerted on you varies with depth. The pressure-meter (also…
A:
Q: What will be the cross product of the vectors 2i+3j+k and 6i+9j+3k ? * Oi+2j + k Oi-j-5k O 2i -j- 5k
A: Image_1
Q: A 62.0 kg skier is moving at 6.50 m/s on a frictionless, horizontal snow-covered plateau when she…
A:
Q: Let A-(2i-6j-3k) m and B-(4i-2j+k) m. What is the product of AB ? O 17 m? O (8i + 12j - 3k) m² O…
A:
Q: The Word template is used for recording the measurements., Select one: O True O False
A: The statement is false reason A template is a predesigned document, one can use to create document…
Q: (a) What is the momentum in kg · m/s of a garbage truck that is 1.20 x 104 kg and is moving at 30.0…
A:
Q: More than 60 years ago, future Nobel laureate Sheldon Glashow predicted that if an antineutrino —…
A:
Q: How much would you age in traveling a distance of 4.50 light years from earth if you were able to…
A:
Q: Two waves of the same frequency have amplitudes 0.936 and 2.84. They interfere at a point where…
A: Given: The amplitudes of the waves are 0.936 and 2.84. The angle between waves is 33o.
Q: Two objects of masses m, horizontal frictionless surface and constant k = 300 N/m is placed between…
A: m1 =0.50 kg m2 = 1.00 kg Spring constant (k) = 300 N/m Initial compression (xi) = 10 cm = 0.1 m
Q: À 55.0-kg woman stands at the rim of a horizontal turntable having a moment of Inertia of 540 kg ·m2…
A: mass of woman (m) = 55 kg moment of inertia of turntable (I) = 540 kgm2radius (r) = 2 m initial…
Q: A hydrogen atom is in the second excited state (n = 3). To what state %3D should it jump to emit…
A:
Q: A simple pendulum consists of a ball connected to one end of a thin brass wire. The period of the…
A:
Q: The resultant of the 50-N and 30-N forces is R. If R = 65 N, determine the angle ß. D 85° D 106° D…
A:
Q: The energy difference between the ground state (n = 1) and the 2nd excited state (n = 3) in the…
A:
Q: What is the momentum in kg · m/s of a garbage truck that is 1.20 ✕ 104 kg and is moving at 35.0 m/s?…
A: momentum = mass ×velocity
Q: The vessels shown below all contain water to the same height. Rank them according to the pressure…
A:
Q: In the following circuit, the switch is initially closed. At t=0, the switch is opened. Select the…
A:
Q: It is desired to of 3.0x when a book is placed 8.5 cm behind a lens Describe the type of image this…
A:
Q: Reflection by thin layers. In the figure, light is incident perpendicularly on a thin layer of…
A:
Q: The top in the figure below has a moment of inertia of 4.00 x 10-4 kg - m? and is Initially at rest.…
A:
Q: An object is placed 25 cm in front of a lens of focal length 20 cm. 60 cm past the first lens is a…
A:
Q: The pressure exerted on the ground by a man is greatest when: A) he stands with both feet flat on…
A: The pressure exerted on the ground by a man is greatest when: A) he stands with both feet flat on…
Q: A ball of mass 0.440 kg moving with a speed of 4.5 m/s collides head-on with a 0.220 kg bal at rest.…
A:
Step by step
Solved in 3 steps with 3 images
- A machinist wishes to insert a steel rod with a diameter of 5 mn into a hole with a diameter of 4.997 mm. B how much would the machinist, have to lower the temperature of the rod to make it fit the hole?At 18.75 °C a brass sleeve has an inside diameter of 2.21988 cmand a steel shaft has a diameter of 2.22258 cm. It is desired toshrink-fit the sleeve over the steel shaft. (a) To what temperaturemust the sleeve be heated in order for it to slip over the shaft?(b) Alternatively, to what temperature must the shaft be cooledbefore it is able to slip through the sleeve?A completely sealed container, in the shape of a cube with side panels of length = 0.69 m, is full of carbonic ice at temperature -103.1 °C and placed in a room where the ambient temperature is 36.7 °C. The thickness of each (identical) panel of the container is 5.4 cm. In 1.6 days (s), an amount of 3383899 J of heat is conducted through the panels. Find the thermal conductivity of the material which the panels are made of.
- A spherical steel ball bearing has a diameter of 2.540 cm at 30.00°C. (Assume the coefficient of linear expansion for steel is (11 ✕ 10−6 )(°C)−1. (a) What is its diameter when its temperature is raised to 102.0°C? (Give your answer to at least four significant figures.) cm (b) What temperature change is required to increase its volume by 1.100%?The outer diameter of a glass jar and the inner diameter of its iron lid are both 760 mm at room temperature (20.0 ∘C). a)What will be the size of the mismatch between the lid and the jar if the lid is briefly held under hot water until its temperature rises to 57.5 ∘C, without changing the temperature of the glass? Use the coefficient of linear expansion for iron α=1.2×10−5K−1.One end of an aluminum rod (50 cm long) is maintained at 1000C by immersing in a pot of boiling water and the other end at 00C by an ice-water mixture. If the cross-sectional area of the rod is 1.3 cm2, how much ice will the rod melt in 20 minutes? (thermal conductivity of Al is 205 W/m.0C) a) 0.19 kg b) 1.9 kg c) .019 kg Now consider the same situation, but the 50 cm long rod is half aluminum (25 cm) and half copper (25 cm). The aluminum end is in boiling water. The copper end is in the ice-water mixture. What would be the steady temperature of the Al-Cu junction? a) 50 0C b) 34.75 0C c) 65.25 0C How much ice will the rod melt in 20 minutes? a) 0.025 kg b) 0.25 kg c) 2.5 kg
- A spherical steel ball bearing has a diameter of 2.540 cm at 21.00°C. (Assume the coefficient of linear expansion for steel is 11 ✕ 10−6 (°C)−1. ) (a) What is its diameter when its temperature is raised to 98.0°C? (Give your answer to at least four significant figures.)? cm(b) What temperature change is required to increase its volume by 0.900%? ?°CA ceramic insulator is baked at 400∘C400∘C and cooled in a room in which the temperature is 25∘C25∘C. After 44 mins the temperature of the insulator is 200∘C.200∘C. (a) What is the temperature after 88 minutes?An aluminum-alloy rod has a length of 8.7630 cm at 30.00°C and a length of 8.7761 cm at the boiling point of water. (a)What is the length of the rod at the freezing point of water? (b) What is the temperature if the length of the rod is 8.7932cm?
- A plastic bar’s length is 2.756 meters (m) and its temperature is 99.00 ̊C. When it is cooled, the temperature is 11.00 ̊C and length is 2.738 m. a)Find the coefficient of linear expansion of the bar. in units of ̊C−1. b)what is the length (in meters), if heated at 123.00 ̊C,A rectangular window in a home has a length of 1.5 m and a height of 0.80 m. If the window allows heat to escape from the home at a rate of 2,000 watts, how thick must the window be if the inside temperature of the home is 220 C and the outside temperature is 3.00C? (Assume that the coefficient of thermal conduction of glass is 0.80 W/mK.) a. 7.1 mm b. 124 mm c. 9.1 mm d. 8.1 mm e. 11 mmA spherical steel ball bearing has a diameter of 2.540 cm at 20.00°C. (Assume the coefficient of linear expansion for steel is 11 ✕ 10−6 (°C)−1.) A: What is its diameter when its temperature is raised to 96.0°C? (Give your answer to at least four significant figures.) __ cm B: What temperature change is required to increase its volume by 0.800%? __ °C