A housewife put her hand on an aluminum cup and the other hand on a cup plastic, both cups were in thermal equilibrium with the environment, she had the feeling that the aluminum cup was colder. This housewife decided to take a stone of ice and put it inside the two glasses and observed that in the glass of aluminum the ice melted much faster than in the plastic cup. explain in terms of heat capacity what happened in the two situations

Q: Hw10 q6 An X-ray photon scatters from a free electron at rest at an angle of 125 ∘ relative to the…

A:

Q: A rotating space station is said to create "artificial gravity"-a loosely-defined term used for an…

A:

Q: You throw an object up with an initial velocity of voy = 5 m/s from a height of y = 25 m. Part (a)…

A:

Q: A rotating space station is said to create "artificial gravity"-a loosely-defined term used for an…

A: CONCEPT: Given, Diameter of the space station, D = 150 m so, Radius of the space station, R = 75 m…

Q: What happens to the field intensity as the distance from the magnet increases?

A:

Q: Introduction to Calculus in Physics: Calculus is a powerful tool used in all areas of physics. One…

A:

Q: Three charged particles are at the corners of an equilateral triangle as shown in the figure below.…

A:

Q: Small frogs that are good jumpers are capable of remarkable accelerations. One species reaches a…

A: Given data:  Initial velocity (u) = 0 m/s Final velocity (v) = 3.7 m/s Time (t) = 60 ms = 60×10-3 s…

Q: Mass 1 strikes Mass 2 while moving in the positive-x direction, which is initially at rest. After…

A:

Q: A baseball catcher is performing a stunt for a television commercial. He will catch a baseball with…

A: As per answering guidelines we will solve  first three parts only. Please upload the other parts…

Q: Describe the sound produced by an instrument of length L, that is open at both ends. Be sure to…

A:

Q: Forces in a Three-Charge System Coulomb's law for the magnitude of the force F between two particles…

A:

Q: Theme Question 5 of 10 A student drew the data of the relation between the acceleration and the net…

A:

Q: Find the kinetic energy of an electron whose de Broglie wavelength is 2.9 Å.

A:

Q: Despite a very strong wind, a tennis player manages to hit a tennis ball with her racquet so that…

A: As ball  left the contact with the racquet  the force exerted by the hit will be zero.  Now the ball…

Q: The resistance of a copper wire is 0.742 ohm and length of this wire is 1.56 meter. The diameter of…

A: Given R = 0.742 ohms  ( resistance) L = 1.56 m.         ( length) D = 0.075 cm.      ( diameter)…

Q: The elevator of a mine weighs 3200 N. In the last upward moments of the descent, the elevator has an…

A: Drawing the free body diagram of elevator T is tension in rope As g=10 m/s2 Mass of elevator is ,…

Q: Compute for the resultant vector using graphical methods and component method. A= 30 cm 30° N of E…

A:

Q: The figure shows three displacement vectors A, B, and C. These vectors are arranged in tail-to-head…

A:

Q: When jumping, a flea rapidly extends its legs, reaching a takeoff speed of 1.0 m/s over a distance…

A: Initial velocity (u) = 0 m/s Final velocity (v) = 1 m/s  Distance moved (d) = 0.5 mm  = 0.0005 m

Q: potential energy

A:

Q: An electrical potential in Cartesian form is give as: V=2x²+4y²+2z² 1. What is the charge…

A: Here, we can use the Poissons Equation which states: ∇2V=-ρεo

Q: A truck loads a 10.0 kg box on its platform, the coefficients of friction between the surface of the…

A:

Q: P & Ñ are shown below. P = 46, & N = 50. Let R = P-N. Determine the components of each vector as…

A:

Q: 3/185 The 9-kg block is moving to the right with a velocity of 0.6 m/s on a horizontal surface when…

A: Given: The mass of the object is 9 kg. The initial velocity of the object is 0.6 m/s at t = 0 s. The…

Q: Jazmin picks up her friend who lives in another city and they head north on a road trip .jazmin…

A:

Q: If the gravitational force exerted by the sun on Earth were to suddenly disappear, Earth would then…

A:

Q: A car, initially traveling at 16.7 miles per hour, comes to rest in 3.3 s. What was its acceleration…

A: Given data:  Initial velocity (u) = 16.7 mi/h Time (t) = 3.3 s Final velocity (v) = 0 m/s Required:…

Q: At what rate must the potential difference between the plates of a parallel-plate capacitor with a…

A: CONCEPT: Given, Capacitance of capacitor C=2.1 μF = 2.1×10-6 F Displacement Current ID = 1.6 A…

Q: Then calculate the heat current through the wall per unit area. The units for this are Wm-2. Just…

A: in this question determine the heat current  through the wall. we determine fisrt per unit area of…

Q: The components of vector A are Ax and Ay (both positive), and the angle that it makes with respect…

A: Given data : X-component of vector A is Ax Y-component of vector A is Ay then, angle θ with respect…

Q: A particle moves in the xy-plane under influence of the force field F = -kx-ky 1. Prove that the…

A:

Q: 12. Work energy depends on the Path. Please discuss this in your own understanding and give example.

A: In thermodynamics we came across of two modes of energy transfer that is work and heat. Although…

Q: Setup. A historical Vauban bastion fortification features a horizontal-top hill of height H=15…

A:

Q: Which of these is NOT a correct explanation for how convection works? Hotter fluids rise above…

A: Required The wrong statement

Q: An object of mass 0.61 kg is initially at rest. When a force acts on it for 2.9 ms it acquires a…

A: Given data:  Mass (m) = 0.61 kg Initial velocity (u) = 0 m/s Time (t) = 2.9 ms = 2.9×10-3 s Final…

Q: The figure below shows a boy swinging on a rope, starting at a point higher than A.  Consider the…

A: Given figure,

Q: The figure shows a closed surface. Along the flat top face, which has a radius of 1.5 cm, a…

A:

Q: You drop a ball off of a building, In 1 second, it is falling at 4.9 m/s. In two seconds, it is…

A: in this question we first of all use equation of motion  to determine every second  acceleration.…

Q: What are the pros and cons of nuclear fusion?

A: Nuclear fusion:-  We know that Nuclear fusion is defined as when the two or more light [small ]…

Q: pose that a parallel-plate capacitor has circular plates with radius R = 33 mm and a plate…

A:

Q: A juggler throws a ball in an arc. At the top of its flight, the magnitude of the vertical velocity…

A: a juggler throws  a ball in arc at the highest point of it's  flight ball is at the rest because…

Q: A star is formed when the gravitational attraction overcomes the pressure due to the gases inside.…

A:

Q: In an electric motor, a coil with 112 turns of radius 2.40 cm can rotate between the poles of a…

A: As per guidelines we are suppose to do only one question from multiple questions and three subpart…

Q: A large truck breaks down on the road and receives a push back into town by a small compact car as…

A: in those questions  we use newton's third law of motion " every action has reaction of same value…

Q: Rank the five terrestrial objects in order of size from smallest to largest O Mercury, Moon, Venus,…

A: Diameter of  Earth  De = 12742 km Diameter of Mars  Dm = 6779 km  Diameter of  mercury  Dmr = 4879.4…

Q: The primary task of the attacker artillery was to knock out the defender artillery and suppress the…

A:

Q: A cat image which is in front of a mirror is magnified 4 times. The cat is 5 cm in front of the…

A: Given:-  The magnification of the image of a cat is 4 times.  The object distance of the cat is u =…

Q: Passengers in a bus stationary on earth are observing a spaceship moving with relativistic but…

A: The correct option is : Passengers in both transport vehicles can see the proper length of the other…

Q: Mike wazowski is given the circut below. Help mike alculate the power dissipated through the 3.00…

A: Ohms law: The law states that when all physical conditions of a conductor remains constant, the…