Which of the following is a scalar? O rotational inertia angular momentum torque force

Q: Find the magnitude of the angular momentum of the second hand on a clock about an axis through the…

A: The length of second hand of the clock is 15.0 cm and its mass is 6.00 g. The second hand is…

Q: An ice skater jumps in the air and brings their arms and legs as close to their center of mass as…

A: Here principle of conservation of angular momentam is applied. As sakter lands he increases…

Q: A 1.6 kg mass and a 6 kg mass are connected by a massless string over a pulley that is in the shape…

A:

Q: A ball with a weight of 70 N hangs from a string that is coiled around a 3 kg pulley with a radius…

A:

Q: A hollow sphere with a mass of 2.1 kg and radius of 0.15 m rolls without slipping down an incline of…

A: Given, mass of hallow sphere m = 2.1 Kg Radius of hallow sphere r = 0.15 m Incline angle θ=35∘…

Q: A disk is constructed so that it can be made to rotate about an axis through it's center of mass…

A: Given: A disc is rotating about an axis through CM, rim(R), halfway b/w R & CM(H).

Q: he net torque acting on an object is equal to the time rate of change of the object's mass linear…

A: Answer is angular momentum.

Q: As a figures skater draws her arms closer to her body while spinning, she decreases her. angular…

A: Angular momentum  L=Iω I-rotational inertia ω-Angular velocity

Q: A gymnast on a high bar swings through tro revolutions in a time of 1.90 s. Find the average angular…

A: time taken for two revolutions (t) = 1.90 seconds

Q: A 4-kg block resting on a frictionless horizontal ledge is attached to a string that passes over a…

A: a) From conservation of energy, the required speed of the 2 kg block is,

Q: Angular momentum is conserved just like linear momentum. For this to occur, what changes when the…

A: L=Iω I is the moment of inertia ω is the angular velocity

Q: "The opposition that the body exhibits to having its speed of rotation about an axis altered by the…

A: The opposition that the body exhibits to having its speed of rotation about an axis altered by the…

Q: A solid ball has a mass of 0.165 kg and a radius of 51mm in mk units what is the rotational inertia…

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Q: Maria is standing on a frictionless rotating turntable. When she extend her arms horizontally, her…

A: Angular momentum is given by : L = Iω Here, I is the inertia and ω is the angular velocity S.I.…

Q: lb) [Same equipment as in la)]. A string is wound around the shaft and a weight holder with some…

A: Given that:Mass of the dumbells, m=0.2 kgLength of the rod, L=20 cm=0.2 mDiameter of the rod, D=8…

Q: In the lectures, the instructor invited the lab technician to present a few demos. In one of them,…

A: To Determine To above phenomenon is the consequence of ....

Q: Torque is the rational analog of a. Acceleration  b. Force c. Kinetic Energy  d. Linear Momentum

A:

Q: Consider a point on a bicycle wheel as the wheel makes exactly four complete revolutions about a…

A: Given : A point on a bicycle wheel completes exactly four revolutions around a fixed axis. To find :…

Q: A ball with a weight of 70 N hangs from a string that is coiled around a 3 kg pulley with a radius…

A: Given data: The weight of ball is W=70 N. Mass of pulley is m=3 kg. Radius of pulley is r=0.4 m.…

Q: Use the below information to answer Questions 15 – 16. A string is wound around a disc of negligible…

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Q: The inertia of a body depends on the angular velocity the torque acting on the body the angular…

A: The inertia of a body depends on the angular velocity the torque acting on the body the angular…

Q: The mechanism shown in is used to raise a crate of supplies from a ship's hold. The crate has otal…

A:

Q: An isolated object is initially spinning at a constant speed. Then, although no external forces act…

A: There is no external force is applied to an isolated object that means the angular momentum of the…

Q: The total kinetic energy of a baseball thrown with a spinning motion is a function of: Choose A. its…

A: Given: The baseball is thrown with a spinning motion.   Asked: Total kinetic is function of which…

Q: A student sitting on a chair on a circular platform of negligible mass rotates freely on an air…

A:

Q: A ball with a weight of 70 N hangs from a string that is coiled around a 3 kg pulley with a radius…

A:

Q: A 2.5 kg mass is moving in a straight line at 12.5 m/s towards the edge of a disk with diameter 1.5…

A:

Q: The rotational inertia depends on: mass and how mass is distributed around the axes of rotation mass…

A: I = sum{Mi Ri 2} Here Inertia depends only on mass and the distribution of the body...  Description…

Q: An orangutan leaps off of a cliff and its body begins to rotate clockwise. If the orangutan then…

A: Solution: We are given that the orangutan leaps off a cliff and then its body begins to rotate…

Q: 8) The pulley has a mass of 1.2 kg and a radius of 8 cm. It has the shape of a disk. Find the…

A: The masses are 3kg and 12kg Radius of the pulley is 8cm

Q: 20 kg pulley with a 0.5 m radius is initially at rest. The rotational inertia of the pulley is 0.47…

A: Rotational concept

Q: A man is pushing a loaded rotating tray with radius of 0.5m on top of a table with a force of F =…

A:

Q: An orangutan leaps off of a cliff and its body begins to rotate clockwise. If the orangutan then…

A: Solution: We are given that the orangutan leaps off a cliff and then its body begins to rotate…

Q: A pulley with an unknown mass has a 0.3m radius that is initially at rest. The rotational inertia of…

A: Given that, A pulley with an unknown mass has a 0.3m radius that is initially at rest. The…

Q: Two pulleys of diameter 9 meters and 3 meters are conneted by a belt. The larger pulley rotates 47…

A: Linear speed is the same. Hence,

Q: It is the property of the body to resist a rotation. A Moment of Inertia (B Rotational KE C Angular…

A: When a body try to rotate then it has a angular acceleration. and Moment of Inertia is the property…

Q: Which of the following is NOT TRUE about the moment of inertia, ? Mark only one. describes a body's…

A: Which of the following is not true about the moment of inertia?

Q: An ice skater rotates about its own axis with angular velocity omega. He holds two weights in his…

A: The moment of inertia (I) of a body is its rotational mass. It is calculated as the product of the…

Q: When a wheel is rolling without slipping, the magnitude of its velocity relative to the ground is…

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Q: A uniform ceramic disk with a mass of 6.1 kg and a radius of 0.65 m rotates about its central axis.…

A:

Q: A 20 kg pulley with a 0.5 m radius is initially at rest. The rotational inertia of the pulley is…

A:

Q: A man is pushing a loaded rotating tray with radius of 0.5m on top of a table with a force of F =…

A:

Q: The angle turned through by a body about a given axis is called ____. *   a. angular displacement…

A:

Q: What is Torque as a Vector?

A:

Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –