51. A cylinder with moment of inertia I (about its center) that is initially not rotating, falls onto and sticks to a spinning cylinder with moment of inertia 21 (about its center) as shown. Calculate the fraction of rotational kinetic energy lost during this process (fraction lost = (Ki Kf) / Ki). a) 0 b) 1/2 c) 2/3 d) 1/3 e) 1/4 I 21 -not spinning

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A:

Q: What is the total kinetic energy of a 0.15 kg hockey puck sliding at 0.5 m/s and rotating about its…

A: Given: In this question, the given values are, m=0.15 kg v=0.5 m/s d=0.076 m R=0.038 m ω=8.4 rad/s…

Q: The melting point of Al is 660°C, its latent heat of fusion 4x10Pj/kgk and its specific heat is 900…

A: Given : Melting point of Al is (T) = 660o C => 660 +273 = 933oK Latent heat of fusion is (L) = 4…

Q: (a) How far (in m) from a 9.00 µC point charge will the potential be 150 V?

A: Given: The given value are, The charge value is,  q=9.00 μCq=9×10-6C And the potential value is,…

Q: 1. Find the unknown quantities for the network below using the information provided. I-3A R1 (2A R2…

A: So the value of I2 is  We know the kirchoof's junction law I3=I1+I23=2+I2I2=3-2I2=1 A

Q: 12. Identify whether the following statements are true or false, and explain why (if false, a…

A: Solution as

Q: A string with a mass per unit length of 0.500g/cm has waves traveling on it which can be described…

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Q: Draw a diagram of the situation and determine the magnitude of the electric field (in N/C)

A: To calculate electric field we consider a unit positive charge at that calculating point then for…

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Q: fantasy park as showm. What will be the final speed of the roller coaster, if it starts from rest at…

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Q: 4.144 Find the forces in members HC and HG in terms of P. P |-1.5 m--1.5 m--1.5 m- B D 1 m 2 m H. 3…

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Q: Archimedes: What forces are acting on an object when it is placed in a fluid? a) Its weight due to…

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Q: Analyze the circuit given in Figure 4 and determine Iç and Vce- +12 V Rc E5 kn 50 kN VRE = 0.7 V B=…

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Q: A device that is commonly used in radiation therapy for cancer contains 0.50 g of cobalt of 60 Co…

A: Concept: To determine the Decay constant and the Activity of the radioactive material we will use…

Q: The same experiment on uniformly accelerated motion was performed. See figure below for the set-up.…

A: Kinematics.

Q: A solid cylinder of mass 4.9 kg and radius 4.8 cm rolls down an inclined plane of height 7.4 cm…

A: Speed of the center of mass. From conservation of energy

Q: 31. A small uniform cylinder of mass m is released from rest at a height of R/2 above the bottom of…

A: Radius of half pipe = RHeight of cylinder =R/2Cylinder rolls without slipping.

Q: 51. B SSM A flywheel is a solid disk that rotates about an axis that is perpendicular to the disk at…

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Q: Four charges of equal magnitude q=1.82 pc are situated as shown in the diagram below. If d= 0.80 m,…

A: Given: The given values are, The given charge value is, q=1.82 μCq=1.82×10-6C Then the distance…

Q: 5. Determine the force in members GE, GC and BC of the truss shown. Indicate whether the members are…

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Q: A square loop of wire 0.22 m on a side lies on a horizontal table and carries a counterclockwise…

A: Given: In this question, the given details are, A square loop of wire 0.22 m on a side lies on a…

Q: -15 A small droplet of oil with a mass of 2.00 x 10 kg is given a small excess charge, which allows…

A: Given data:  A small droplet held suspended  Direction of electric field = upward Required:  The…

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A: As given positive and negative charges  the direction of electric field will be from positive to…

Q: Part A How much work is done by each of the three forces? Express your answers using three…

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Q: presented in the table below. Constant Mass vs Varying Force Hanging Mass 1 23 2 50 g 70 g 90 g…

A: Solution: Based on the given data the mass of the cart is to be calculated. The given quantities…

Q: A rod of length 2 m is fully insulated along its sides. The temperature at x is initially ITX 100…

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Q: 10. An open container of water is filled to the very top. A 7 kg block with a density between 300…

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Q: In the first test the rider accelerates from 48 km/h to 80 km/h, over a distance of 190 m whilst…

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Q: Vector A (5, 2) and B = (1, -1) in (x, y) component form. What angle does A + B make with the…

A: Vector A=(5, 2) and B=(1, -1) in the form of (x, y) component form.

Q: Three forces act on the bracket. The resultant force is directed along the positive r' axis and has…

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Q: 25. A simple pendulum is made my attaching a rod of negligible mass to a 2.0 kg pendulum bob at the…

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Q: Mk=0.7. 10 kg TIR A 10-kg box is at sliding to the right on the floor. A rope is attached to the box…

A: mass of box = m = 10 kg co efficient of friction = 0.7 acceleration = a = 6 m/s2

Q: A discus thrower accelerates a disc with mass of 2 kg from rest wit four full turns (revolutions)…

A: We have givenMass of disc (m)=2 kg Four turn of revolution (θ)=4×2π=8π  radInitila velocity u=0…

Q: A metal rod 0.750 m long is places on a mass balance and is found to have a mass of 245 g. It is in…

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Q: A horizontal tension force pulls to the right on block A. Block A slides to the right on a…

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Q: *44. The drawing shows a large cube (mass = 25 kg) being accelerated across a horizontal…

A: Given values: Mass of the large block, M=25 kg Mass of small block, m=4.0 kg Coefficient of static…

Q: 21. An ideal spring with k = 6 N/m is initially compressed 0.40 m. One end is attached to a wall and…

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Q: The electric potential at point A is 115 V, at point B it is -149 V. A 0.30 C point charge moves…

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Q: Use the position versus time graph to answer the question. What distance does the object travel from…

A: Required ; To find the distance travelled by the object from time t = 0 to t = 3.

Q: 4. For the configuration below: a. Find the total resistance and the current through each branch. b.…

A: Solution:   Given data,   R1=1 KΩR2=4.7 KΩR3=10 KΩE=120 V

Q: What are the sign and magnitude in coulombs of a point charge that produces a potential of -5.00 V…

A: Given: In this question, the given details are, The given potential value is, V=-5.00V. And the…

Q: An object moves from point A to point B along the trajectory shown, one quarter of a circle. The…

A: An object moves from point A to point B along the trajectory shown, one quarter of a circle. The…

Q: If the 0.190 mm diameter tungsten filament in a light bulb is to have a resistance of 0.142 N at…

A: Answer Given data  Diameter of tungsten filament D = 0.190 mm So  Radius r = D/2 = 0.190/2 = 0.085…

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A:

Q: A circular coil of wire has a radius of 9.0 cm and has 140 turns of wire that carries 7.1 A of…

A: Given: The given values are, The given radius value is r=9.0 cm. And the given number of turns is…

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.