Rotational Inertia: a.) What would the the rotational inertia (I) of: scoop on top: I1 = kg-m2 cone base: I2 = kg-m2 the whole ice cream cone: Itot = kg-m2 b.) Your friend Bob proposes that you can do this calculation more easily. He condenses the entire ice cream cone into a point mass located at the its center of mass, then uses the point mass formula (I=mr2). What would be the distance "r" that he would use, and the rotational inertia that would result from his calculation? r = I = kg-m2 Is Bob's method correct? ---Select---

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Rotational Inertia:
a.) What would the the rotational inertia (I) of:
scoop on top: I1 =
kg-m2
cone base: I2
kg-m2
%3D
the whole ice cream cone: Itot =
kg-m2
b.) Your friend Bob proposes that you can do this calculation more easily. He condenses the entire ice cream cone into a point mass located at the its
center of mass, then uses the point mass formula (I=mr2).
What would be the distance "r" that he would use, and the rotational inertia that would result from his calculation?
r =
I =
kg-m2
Is Bob's method correct?
---Select---
c.) You hold this ice cream cone at rest in your hand and then decide to give it a 1.5 second lick, as follows:
With your hand you apply a force of size F2=3.75.103 N to the outside of the cone
• With your tongue, you exert a force of size F1=1.103 N to the outer edge of the scoop, such as to rotate it in the opposite direction as your hand
(this loads ice cream onto your tongue!)
Both forces are applied tangentially to the rotation.
For the whole ice cream cone, please find the following quantities.
(Note only sizes are requested; answers should be +.)
size of the net torque it experiences:
N•m
size of its angular acceleration:
rad/s?
angle the cone will rotate through during your lick:
radians
degrees
Transcribed Image Text:Rotational Inertia: a.) What would the the rotational inertia (I) of: scoop on top: I1 = kg-m2 cone base: I2 kg-m2 %3D the whole ice cream cone: Itot = kg-m2 b.) Your friend Bob proposes that you can do this calculation more easily. He condenses the entire ice cream cone into a point mass located at the its center of mass, then uses the point mass formula (I=mr2). What would be the distance "r" that he would use, and the rotational inertia that would result from his calculation? r = I = kg-m2 Is Bob's method correct? ---Select--- c.) You hold this ice cream cone at rest in your hand and then decide to give it a 1.5 second lick, as follows: With your hand you apply a force of size F2=3.75.103 N to the outside of the cone • With your tongue, you exert a force of size F1=1.103 N to the outer edge of the scoop, such as to rotate it in the opposite direction as your hand (this loads ice cream onto your tongue!) Both forces are applied tangentially to the rotation. For the whole ice cream cone, please find the following quantities. (Note only sizes are requested; answers should be +.) size of the net torque it experiences: N•m size of its angular acceleration: rad/s? angle the cone will rotate through during your lick: radians degrees
The ice cream cone shown below can be approximated as follows:
• Scoop on top
uniform solid sphere (M1
= 0.027 kg and R1 = 0.03 m)
waffle cone base= cylinder (M2
= 0.038 kg and R2
0.01 m), which is uniform and solid also (it's filled with ice cream!)
%3D
1.
R,
1
R,
M,
If this entire ice cream cone were to be rotated about the axis shown,
Rotational Inertia:
a.) What would the the rotational inertia (I) of:
Scoop on top: I1
kg-m2
cone base: I2
kg-m2
the whole ice cream cone: Itot
kg-m2
Transcribed Image Text:The ice cream cone shown below can be approximated as follows: • Scoop on top uniform solid sphere (M1 = 0.027 kg and R1 = 0.03 m) waffle cone base= cylinder (M2 = 0.038 kg and R2 0.01 m), which is uniform and solid also (it's filled with ice cream!) %3D 1. R, 1 R, M, If this entire ice cream cone were to be rotated about the axis shown, Rotational Inertia: a.) What would the the rotational inertia (I) of: Scoop on top: I1 kg-m2 cone base: I2 kg-m2 the whole ice cream cone: Itot kg-m2
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