7. Calculate the moment of inertia (in kg m 2) of a skater given the following information.The 64.0 kg skater is approximated as a cylinder that has a 0.120 m radius (0.461) I= M.I. of cylinder 2. IMR'

7. Calculate the moment of inertia (in kg m 2) of a skater given the following information.The 64.0 kg skater is approximated as a cylinder that has a 0.120 m radius (0.461) I= M.I. of cylinder 2. IMR'

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter10: Rotational Motion And Angular Momentum

Section: Chapter Questions

Problem 11PE: Calculate the moment of inertia of a skater given the following information. (a) The 60.0-kg skater...

See similar textbooks

Related questions

Q: The initial angular velocity and the angular acceleration of four rotating objects at the same…

A: (a)According to the kinematics equation for rotational motion, find the final speed of the…

Q: 37. B SM MMH Multiple-Concept Example 10 offers useful background for problems like this. A cylinder…

Q: 2. Please calculate the moment of inertia values for each figures according to the defined rotation…

A: Moment of inertia also called rotational inertia is the product of the mass of the body and the…

Q: A1 kg point mass is at coordinates (7 m, 8 m), a 9 kg mass is at (-2,8) and a 1kg mass is at (x,y)…

Q: 1. What is the moment of inertia of a 2.5 kg long uniform rod with length of 2.5 meters. The axis of…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: 7: Figure 4 shows an object consisting of two point-like objects of mass m connected by a rod of…

A: Given two point mass (each of mass m) are connected by a rod of length L and mass 2m.…

Q: Problem #5: A merry-go-round has a radius of 3.0 m and a moment of inertia 400kg-m2. A boy of mass…

A: given :- r=3.0 m I = 400kg-m2 m = 40kg v = 5.0m/sec Vi = 8rad/sec

Q: (II) Calculate the angular velocity (a) of a clock’s secondhand, (b) its minute hand, and (c) its…

Q: 2. What is the moment of inertia of a cylindrical rod of mass M and length L, rotating at a distance…

Q: Determine the moment of inertia of a 10.8-kg sphere of radius 0.648 m when the axis of rotation is…

Q: (III) Two blocks are connected by a light string passing over a pulley of radius 0.15 m and moment…

A: It is given that,

Q: 4. Calculate the moment of inertia of a skater given the following information. The 65.0–kg skater…

A: Solution: The 65.0–kg skater is approximated as a cylinder that has a 0.132–m radius. he skater with…

Q: 2. Please calculate the moment of inertia values for each figures according to the defined rotation…

A: The moment of inertia of a spherical shell about tangential axis can be given by parallel axis…

Q: A 60 kg skater begins a spin with an angular speed of 6.0 rad/s. By changing the position of her…

A: Given, mass of the skater, m = 60 kg angular speed of the skater, ωo = 6.0 rads moment of inertia of…

Q: Question 4: Determine the moment of inertia of the section about its base a-a. 5" 3 17" 6" a

A: The section is shown below.

Q: A potter's wheel with a moment of inertia of 0.1 kg-m² is spinning freely at 35.17 rpm. The potter…

A: in this question we determine mass in kg.

Q: Question 1 A potter's wheel starts with a moment of inertia Io = 32 kg m? and is spinning freely…

Q: A 2000-kg Ferris wheel accelerates from rest to an angular speed of 2.0 rad/s in 12 seconds.…

Q: A 3 kg point mass is at coordinates (8 m, 7 m), a 7 kg mass is at (-9,3) and a 4kg mass is at (x,y)…

Q: A7 kg point mass is at coordinates (5 m, 1 m), a 2 kg mass is at (-2,9) and a 4kg mass is at (x,y)…

Q: 17. A discus thrower accelerates a w discus from rest to a speed of 25.0 m/s by whirling it through…

A: Given that A discus thrower accelerates adiscus from rest to a speed of 25.0 m/s by whirling it…

Q: A playground merry-go-round has a mass of 120 kgand a radius of 1.80 m and it is rotating with an…

A: The conservation of angular momentum is

Q: A volleyball player spikes the ball. At the instant that she begins to extend her shoulder to bring…

A: Average angular acceleration is given by the formula α =ωf-ωi∆tωf=final angular velocityωi=final…

Q: Q1: Determine the moment of 50N force shown in Fig. about point O by at least two ways? 50 N -100…

Q: bowling ball (solid sphere) with r = 1.5m and m = 6.3kg rotates about its axis due to a angential…

Q: 12. A 60.0-kg person begins a spine with an angular speed of 6.0rad/s. By changing the position of…

Q: Problem #5: A merry-go-round has a radius of 3.0 m and a moment of inertia 400kg-m2. A boy of mass…

Q: he counterclockwise rotation of the blade of a grin dying down. Which of the following is true about…

Q: A 60 kg ice skater begins a spin with an angular velocity of 6 rad/s. By changing the position of…

A: let initial moment of inertia is I1 = I and angular speed ω1 = 6 rad / sec final moment of inertia…

Q: 5. A spherical bob of radius R and mass m, is attached to a slender rod of length / and mass m, as…

A: Given:mass of bob =mbradius of bob = Rlength of rod = lmass of rod =mr let axis of rotation is PQ

Q: * 13. Two people start at the same place and walk around a circular lake in opposite directions. One…

A: The expression for the angular velocity is written as, Here, θ and t represent the angular…

Q: (I) Determine the moment of inertia of a 10.8-kg sphere ofradius 0.648 m when the axis of rotation…

A: The moment of inertia for sphere is, I=25MR2

Q: '0. Calculate the moment of inertia by direct integration of a thin rod of mass Mand length Labout…

A: We are going to use parallel axis theorem here which states that I=Ic+Mr2 I:) moment of inertia…

Q: 5) What is the moment of inertia of the object about an axis at the right edge of the sphere? kg-m2…

A: Moment of inertia of combination of objects about an axis is given as the sum of individual moment…

Q: 2. Please calculate the moment of inertia values for each figures according to the defined rotation…

A: M.I of spherical shell along diameter as it's rotational axis is: Icm=23MR2

Q: A 1.80 m radius playground merry-go-round has a mass of 120 kg and is rotating with an angular…

A: It is given that,

Q: A rod of negligible mass itself has two small 1 kg masses attached as shown. What is the Moment of…

A: Given data: m1=m2=1 kg and r1=0.5 m, r2=2+0.5=2.5 m The expression for the moment of inertia will…

Q: 2. Refer to figure 2. A 25.0 kg mass rotates 0.250 m from a rotating point with an angular velocity…

Q: Adelaide performs a triple twisting jump while figure skating. She rotates around her longitudinal…

A: Given : She rotated around her axis three time that means she three complete rotation in 0.8…

Q: At the moment of take-off, a diver's moment of inertia (I) was 50 kgm^2 and angular velocity about a…

Q: An object has a final angular velocity of 25 rad/s and sweeps through 80.0 rad with an angular…

Q: Joey, stands at rest at the outer edge of the frictionless merry-go-round as shown. The…

A: From the conservation of angular momentum. The expression for the angular momentum is:

Q: 5) What is the angular velocity of a 0.3 m radius car tire when the car travels at 15 m/s? 3) An…

A: (5) The angular velocity ω is related to the linear velocity ν by v=rω, where r is radius of orbit.…

Q: 2. A small solid sphere rolls up along a curved surface without sloopping, as shown, with an initial…

A: given: object : solid sphere initial velocity of object = v object rolls up without slipping

Q: 11. Calculate the moment of inertia of a skater given the following information. (a) The 60.0-kg…

Q: 12. A disc of radius 5 cm speeds up from rest at a constant rate of 5 rad/s?. What is the final…

A: Answer B. 25 rad/s2

Question

7. Calculate the moment of inertia (in kg m 2) of a skater given the following
information.The 64.0 kg skater is approximated as a cylinder that has a 0.120 m
radius (0.461)
I=
M.I. of cylinder
2.
IMR'

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

Competitive divers pull their limbs in and curl up their bodies when they do flips. Just before entering the water, they fully extend their limbs to enter straight down. Explain the effect of both actions on their angular velocities. Also explain the effect on their angular momenta.
A cylinder with moment of inertia I1 rotates with angular velocity 0 about a frictionless vertical axle. A second cylinder, with moment of inertia I2, initially not. rotating, drops onto the first cylinder (Fig. P8.73). Because the surfaces are rough, the two cylinders eventually reach the same angular speed . (a) Calculate . (b) Show that kinetic energy is lost in this situation, and calculate the ratio of the final lo the initial kinetic energy. Figure P8.73
A playground merry-go-round has a mass of 120 kg and a radius of 1.80 m and it is rotating with an angular velocity of 0.500 rev/s. What is its angular velocity after a 22.0-kg child gets onto it by grabbing its outer edge? The child is initially at rest.
When you start the engine of your car with the transmission in neutral, you notice that the car rocks in the opposite sense of the engine's rotation. Explain in terms of conservation of angular momentum. Is the angular momentum of the car conserved for long (for more than a few seconds)?
Imagine that you stand tall and turn about a vertical axis through the lop of your head and the point halfway between your ankles. Compute an order-of-magnitude estimate for the moment of inertia of your body for this rotation. In your solution, state the quantities you measure or estimate and their values.
A truck with 0.420-m-radius tires travels at 32.0 m/s. What is the angular velocity of the rotating tires in radians per second? What is this in rev/min?
While punting a football, a kicker rotates his leg about the hip joint. The moment of inertia of the leg is 3.75kgm2 and its rotational kinetic energy is 175 J. (a) What is the angular velocity of the leg? (b) What is the velocity of tip of the punter’s shoe if it is 1.05 m from the hip joint?
A soccer player extends her lower leg in a kicking motion by exerting a force with the muscle above the knee in the front of her leg. She produces an angular acceleration of 30.00 rad/s2 and her lower leg has a moment of inertia of 0.750kg-m2 What is the force exerted by the muscle if its effective perpendicular lever arm is 1.90 cm?
The dung beetle is known as one of the strongest animals for its size, often forming balls of dung up to 10 times their own mass and rolling them to locations where they can be buried and stored as food. A typical dung ball formed by the species K. nigroaeneus has a radius of 2.00 cm and is rolled by the beetle at 6.25 cm/s. (a) What is the rolling balls angular speed? (b) How many full rotations are required if the beetle rolls the ball a distance of 1.00 m?
A carnival carousel accelerates nonuniformly from rest, moving through an angle of 8.60 rad in 6.00 s. If its turning at 3.30 rad/s at that time, find (a) its average angular speed, and (b) average angular acceleration during that time interval. (See Section 7.1.)
Everyday application: Suppose a yo-yo has a center shaft that has a 0.250 cm radius and that its string is being pulled. (a) If the string is stationary and the yo-yo accelerates away from it at a rate of 1.50 m/s2, what is the angular acceleration of the yo-yo? (b) What is the angular velocity after 0.750 s if it starts from rest? (c) The outside radius of the yo-yo is 3.50 cm. What is the tangential acceleration of a point on its edge?
In lacrosse, a ball is thrown from a net on the end of a stick by rotating the stick and forearm about the elbow. If the angular velocity of the ball about the elbow joint is 30.0 rad/s and the ball is 1.30 m from the elbow joint, what is the velocity of the ball?