6.)a person with a moment of inertia I is spinning with an angular velocity w. what...
6.)a person with a moment of inertia I is spinning with an angular velocity w. what will the angular velocity of the person be if he changes his arm position such that his moment of interia changes to 3/4 I
a. 3/4 w
b.w
c. 4/3 w
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6.)a person with a moment of inertia I is spinning with an
angular velocity w. what...
7.) a person with moment of inertia I is spinning with an angular velocity w, by...
7.) a person with moment of inertia I is spinning with an angular velocity w, by which factor will the kinetic energy of the person change if he moves his arm positions such that his moment of inertia changes to 2I a. 1/4 b. 1/2 c. 2 d. 4
1.) For a rotating rigid body which of the following statements is not correct? a.) all...
1.) For a rotating rigid body which of the following statements is not correct? a.) all points along a rotating rigid body move with constant speed b.) points along a rotating body move through the same angle in equal time intervals c.) point along a rotating body have velocities that continuously change directions d.) all of the above 2.) Which of the following quantities will impact how a rigid body's rotational speed can change? a.) the body's rotational inertia b.)the...
(a) Calculate the angular momentum of an ice skater spinning at 6.00 rev/s given his moment...
(a) Calculate the angular momentum of an ice skater spinning at 6.00 rev/s given his moment of inertia is 0.400kg⋅m20.400kg⋅m2 (b) He reduces his rate of spin (his angular velocity) by extending his arms and increasing his moment of inertia. Find the value of his moment of inertia if his angular velocity decreases to 1.25 rev/s. (c) Suppose instead he keeps his arms in and allows friction of the ice to slow him to 3.00 rev/s. What average torque was exerted...
3) (Student Spinning on Stool) A student sits spinning on a stool at initial angular velocity...
3) (Student Spinning on Stool) A student sits spinning on a stool at initial angular velocity angular velocity w, = 4.00 Hz, initially with arms rigidly outstretched, holding two identical m= 2.00 kg weights (one in left hand and one in the right hand) at distance r = 0.600m from the student's axis of rotation. The student's moment of inertia (without including the contribution of the two weights) is I = 4.00 kg m². Assume that the contribution of the...
4. An ice skater with rotational inertia I = 0.23 kg*m* is spinning with angular speed...
4. An ice skater with rotational inertia I = 0.23 kg*m* is spinning with angular speed w. They pull their arms in, increasing their angular speed to 4w. What is the final moment of inertia?
(a) Calculate the angular momentum of an ice skater spinning at 6.00 rev/s given his moment...
(a) Calculate the angular momentum of an ice skater spinning at 6.00 rev/s given his moment of inertia is 0.300 kg · m2. _____kg · m2/s (b) He reduces his rate of spin (his angular velocity) by extending his arms and increasing his moment of inertia. Find the value of his moment of inertia if his angular velocity drops to 1.75 rev/s. ______kg · m2 (c) Suppose instead he keeps his arms in and allows friction with the ice to...
A fan with the moment of inertia of 4 kgm2 is spinning with an angular speed...
A fan with the moment of inertia of 4 kgm2 is spinning with an angular speed of 10 rad/s. What is its rotational kinetic energy in J
Calculate the angular momentum, in kg · m2/s, of an ice skater spinning at 6.00 rev/s...
Calculate the angular momentum, in kg · m2/s, of an ice skater
spinning at 6.00 rev/s given his moment of inertia is 0.330 kg ·
m2.
(a) Calculate the angular momentum, in kg . m/s, of an ice skater spinning at 6.00 rev/s given his moment of inertia is 0.330 kg . m2. kg. m/s (b) He reduces his rate of spin (his angular velocity) by extending his arms and increasing his moment of inertia. Find the value of his...
An ice skater is spinning at 6.8 rev/s and has a moment of inertia of 0.24...
An ice skater is spinning at 6.8 rev/s and has a moment of inertia of 0.24 kg ⋅ m2. Calculate the angular momentum, in kilogram meters squared per second, of the ice skater spinning at 6.8 rev/s. He reduces his rate of rotation by extending his arms and increasing his moment of inertia. Find the value of his moment of inertia (in kilogram meters squared) if his rate of rotation decreases to 1.25 rev/s. Suppose instead he keeps his arms...
(a) Calculate the angular momentum (in kg.m"/s) of an ice skater spinning at 6.00 rev/s given...
(a) Calculate the angular momentum (in kg.m"/s) of an ice skater spinning at 6.00 rev/s given his moment of inertia is 0.470 kg-m kg-m /s (b) He reduces his rate of spin (his angular velocity) by extending his arms and increasing his moment of inertia. Find the value of his moment of inertia (in kg-m2) if his angular velocity drops to 1.35 rev/s. (c) Suppose instead he keeps his arms in and allows friction with the ice to slow him...
3) (Student Spinning on Stool) A student sits spinning on a stool at initial angular velocity angular velocity w, = 4.00 Hz, initially with arms rigidly outstretched, holding two identical m= 2.00 kg weights (one in left hand and one in the right hand) at distance r = 0.600m from the student's axis of rotation. The student's moment of inertia (without including the contribution of the two weights) is I = 4.00 kg m². Assume that the contribution of the...
4. An ice skater with rotational inertia I = 0.23 kg*m* is spinning with angular speed w. They pull their arms in, increasing their angular speed to 4w. What is the final moment of inertia?
Calculate the angular momentum, in kg · m2/s, of an ice skater
spinning at 6.00 rev/s given his moment of inertia is 0.330 kg ·
m2.
(a) Calculate the angular momentum, in kg . m/s, of an ice skater spinning at 6.00 rev/s given his moment of inertia is 0.330 kg . m2. kg. m/s (b) He reduces his rate of spin (his angular velocity) by extending his arms and increasing his moment of inertia. Find the value of his...
(a) Calculate the angular momentum (in kg.m"/s) of an ice skater spinning at 6.00 rev/s given his moment of inertia is 0.470 kg-m kg-m /s (b) He reduces his rate of spin (his angular velocity) by extending his arms and increasing his moment of inertia. Find the value of his moment of inertia (in kg-m2) if his angular velocity drops to 1.35 rev/s. (c) Suppose instead he keeps his arms in and allows friction with the ice to slow him...
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