If the linear velocity of the ball relative to the elbow joint is 21.6 m/s at a distance of 0.48 m from the joint and the moment of inertia of the forearm i g·m², what is the rotational kinetic energy of the forearm in J?

Q: A solid disk flywheel having a moment of inertia, I = 200 kg.m is rotating with a speed of 900 rpm.…

A:

Q: A person sitting on a rotating stool has two weights in his hands, each with a 10Kg dough. When…

A: Given data: The magnitude of weights in hand is m=10 kg. Distance from axis of rotation is r1=0.9…

Q: 8.1 What is the wheel's initial translational kinetic energy? 8.2 What is the wheel's initial…

A: Please post the remaining questions separately!

Q: Wheels A and B are connected by a belt that does not slip. The radius of B is 3.00 times the radius…

A:

Q: In the figure, two particles, each with mass m = 0.85 kg, are fastened to each other, and to a…

A:

Q: A soccer player extends her lower leg in a kicking motion by exerting a force with the muscle above…

A:

Q: In Fig. each with mass m = 0.85 kg, are fas- tened to each other, and to a rota- two particles, M…

A:

Q: A force of F = 80.0 N is applied tangentially to a wheel of radius R = 0.500 m and gives rise to an…

A: Given,                tangential force F= 80 N             radius of wheel R = 0.500 m…

Q: Calculate the rotational inertia of a sphere having a mass of 1000 g and a radius of 550 cm through…

A: Given data:  Mass (M) = 1000 g = 1 kg Radius (R) = 550 cm = 5.50 m Required: The rotational inertia…

Q: What is the rotational kinetic energy of a ball which is rolling along the ground at 15.0 rad/s if…

A: Given data: Angular velocity of ball is, ω=15.0 rad/s. Moment of inertia of ball is, I=2.47 kg·m2.

Q: A soccer player extends her lower leg in a kicking motion by exerting a force with the muscle above…

A: Write the given values with suitable variables. α=37.5 rad/s2I=0.75 kg.m2r=1.8 cm=0.018 m Here, α,…

Q: A constant torque of 25.0 N.m is applied to a grindstone whose moment of inertia is 0.130 kg.m2.…

A:

Q: A 2.0-kg solid cylinder 1radius = 0.10 m, length = 0.50 m2 isreleased from rest at the top of a ramp…

A: Given, Mass of the cylinder, m = 2.0-kg The radius of the cylinder, r = 0.10 m The length of the…

Q: If a force vector of F=40i-20j (N) is acted on an object at a distance of r=2i+3j (m) from the axis…

A: Given, Force vector and distance from the axis of rotation

Q: A meter stick is hinged at its lower end and allowed to fall from a vertical position. If its moment…

A: Given:           Moment of inertia I=ML2/3

Q: A baseball pitcher throws the ball in a motion where there is rotation of the forearm about the…

A:

Q: A 32.0 kg person starts at the center of a frictionless rotating merry-go-round that has a radius of…

A: We solve this problem by applying conservation of angular momentum.

Q: A girl of mass 31.7 kg stands on the rim of a frictionless merry-go-round of radius 1.97 m and…

A: In the given question , We have to determine the values of given parts.

Q: A solid cylinder of mass 0.6 kg and radius 0.58 m starts from rest at the top of a ramp, inclined…

A: mass of cylinder = 0.6 kg radius = 0.58 m θ = 24omoment of inertia of cylinder = 0.5 mR2h = 2.5 m

Q: A baseball pitcher throws the ball in a motion where there is rotation of the forearm about the…

A: Given that----- linear velocity = 18.3 m/sec d = 0.48 m moment of inertia = .55 kg/m2   Question…

Q: While punting a football, a kicker rotates his leg about the hip joint. The moment of inertia of the…

A: Given data: Moment of inertia (I) = 3.49 kg.m2 Rotational kinetic energy (KER) = 167 J Distance of…

Q: While punting a football, a kicker rotates his leg about the hip joint. The moment of inertia of the…

A:

Q: Rigid rods of negligible mass lying along the y axis connect three particles.: m; =4kg at (0,3)m,…

A: Angular speed= 8 rad/s to find= kinetic energy of the system

Q: What is the moment of inertia about the axis of a solid cylinder with a mass of 20 kg, a radius of 5…

A:

Q: During a jump to his partner, an aerialist is to make a quadruple somersault lasting a time t = 1.51…

A: Given that the value of time and rotational inertia I 1 and rotational inertia I2.Then We  have to…

Q: A baseball pitcher throws the ball in a motion where there is rotation of the forearm about the…

A:

Q: A typical helicopter with four blades rotates at 300 rpm and has a kinetic energy of 2.45  105 J.…

A: Using rotational kinetic energy,

Q: If the kinetic energy of a body about an axis is 9J and the moment of inertia is 2kg- m², then the…

A:

Q: A girl of mass 32.8 kg stands on the rim of a frictionless merry-go-round of radius 1.28 m and…

A:

Q: Two wheels A and B in the figure are connected by a belt that does not slip. The radius of B is 7.63…

A:

Q: Two wheels A and B in the figure are connected by a belt that does not slip. The radius of B is 6.96…

A: Let the radii of wheels A and B be rA and rB. According to problem, rB=6.96rA

Q: f a fan with the moment of inertia of 3 kgm2 is spinning with an angular speed of 12 rad/s. What is…

A:

Q: An ice skater spins at 18.5 rad/s with her arms extended. If her moment of inertia with arms folded…

A: If the net external force around a point is zero (about the axis of rotation), then the angular…

Q: The person whose leg is shown kicks his leg by exerting a 2000-N force with his upper leg muscle.…

A:

Q: A Texas cockroach walks from the center of a circular disk (that rotates like a merry-go-round…

A:

Q: A girl of mass 31.8 kg stands on the rim of a frictionless merry-go-round of radius 1.63 m and…

A:

Q: A meter stick is hinged at its lower end and allowed to fall from a vertical position. If its moment…

A: In this question a meter stick is given  L= 1 m  The stick is hinged at its lower end and allowed to…

Q: A coin with diameter 3.0 cm rolls up a 30 degree inclined plane. The coin starts out with an initial…

A: The coin’s radius is, The slope of the inclined plane is, The coin’s initial angular speed is,

Q: Two wheels A and B in the figure are connected by a belt that does not slip. The radius of B is 7.82…

A:

Q: While punting a football, a kicker rotates his leg about the hip joint. The moment of inertia of the…

A: Given Data Moment of inertia of the leg is I=3.34 kg.m2 Rotational kinetic energy is Krotational=157…

Q: a force of 16.88 N is applied tangentially to a wheel of radius 0.34 m and causes and angular…

A:

Q: A rolling wheel of diameter of 68 cm slows down uniformly from 8.4 m/s to rest over a distance of…

A: