QUESTION 1 A 4.3 kg mass moving in a circle (diameter = 2.4 m). The angular...

Question

Question

QUESTION 1 A 4.3 kg mass moving in a circle (diameter = 2.4 m). The angular momentum varies in time as I = 5.9t2. What is the

science physics

Answer 1

Answer #1

Moment of Inertia of circle = m (-2) 2 = 3.10 kgm 2 £=5.972 t=des 2X5.9t = 11.87 At t= 7.1sec T= 11-8 x 7.1 Nm = 83.78 nm.

Answer 2

Similar Homework Help Questions

A 10.4 kg mass moving in a circle (diameter 1.9 m). The angular momentum varies in...

A 10.4 kg mass moving in a circle (diameter 1.9 m). The angular momentum varies in time as I acting on the mass at 5.2 s? Enter your answer to the tenth's place. 4.9t. What is the net torque
A 12.5kg mass moving in a circle(diameter=2.9m). The angular momentum varies in time as I=8t^2. What...

A 12.5kg mass moving in a circle(diameter=2.9m). The angular momentum varies in time as I=8t^2. What is the net torque acting on the mass at 14.3s? Enter answer to the tenths place.
A 1.6 kg particle moves in a circle of radius 3.1 m. As you look down...

A 1.6 kg particle moves in a circle of radius 3.1 m. As you look down on the plane of its orbit, the particle is initially moving clockwise. If we call the clockwise direction positive, the particle's angular momentum relative to the center of the circle varies with time according to L(t) = 10 N · m·s - (5.0 N · m)t. (a) Find the magnitude and direction of the torque acting on the particle in N · m. Is...

A 2.5 kg mass is moving in a of the mass, in kg m /s, is...

A 2.5 kg mass is moving in a of the mass, in kg m /s, is most nearly (do not enter units) straight line at 12.5 m/s towards the edge of a disk with diameter 1.5 m. The angular momentum
A) An object of mass 2.75 kg is moving with a velocity v = (3.50î −...

A) An object of mass 2.75 kg is moving with a velocity v = (3.50î − 5.20) m/s. What is the angular momentum of the mass relative to the origin when it is at the location (1.50, −1.50, 1.50) m? (Express your answer in vector form.) L = ? kg · m2/s B) Suppose you start an antique car by exerting a force of 270 N on its crank for 0.315 s. What angular momentum is given to the engine...
An object of mass 2.25 kg is moving with a velocity v = (3.609 – 5.70k) m/s. What is the angular momentum of the mass r...

An object of mass 2.25 kg is moving with a velocity v = (3.609 – 5.70k) m/s. What is the angular momentum of the mass relative to the origin when it is at the location (1.50, -1.50, 1.50) m? (Express your answer in vector form.) L = kg . m/s

An object of mass 0.2 kg is moving in a circle of radius 2 m with...

An object of mass 0.2 kg is moving in a circle of radius 2 m with translational acceleration a = 5 m/s^2 . What will be the total Torque on the object?
Hi, can you solve the question for me step by step, I will rate up if the working is correct. I will post the answer together with the question. Answer: Question 4 A particle of mass m is moving in...

Hi, can you solve the question for me step by step, I will rate up if the working is correct. I will post the answer together with the question. Answer: Question 4 A particle of mass m is moving in a horizontal plane in a circle of radius R, with angular velocity 6, anti-clockwise given by é t+cos(2t) Implement plane polar unit vectors er and ee, in the horizontal plane, and k in the vertical direction, giving a right-handed coordinate...
A hollow, thin-walled sphere of mass 12.0 kg and diameter 0.50 m is rotating about an...

A hollow, thin-walled sphere of mass 12.0 kg and diameter 0.50 m is rotating about an axle through its center. The angle (in radians) through which it turns as a function of time (in seconds) is given by f(t) = At 2 + Bt 4, where the magnitude of A =1.50 and B has numerical value 1.10. (a) What are the units of the constants A and B? (b) for time t=4s find (i) the angular momentum of the sphere...

If a particle of mass 1kg moves along a circle of radius 5m with constant angular...

If a particle of mass 1kg moves along a circle of radius 5m with constant angular speed of 2pirad/s, how much net torque is acting on the particle? Ener your answer in SI units