You used hadouken to open the 4-meter tall, 100-kg gate behind which trapos stash their ill-gotten wealth. The hadouken hits the gate, which initially at rest, at a height of 0.5 m from the ground with a speed of 28 m/s and a momentum of 2,240 kg-m/s just before the impact. The impact is perfectly elastic. Hint: I = 1/2 mb²

Elements Of Electromagnetics
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You used hadouken to open the 4-meter tall, 100-kg gate behind which trapos stash their ill-gotten wealth.
The hadouken hits the gate, which initially at rest, at a height of 0.5 m from the ground with a speed of 28 m/s and a momentum of 2,240 kg-m/s just before the
impact. The impact is perfectly elastic.
Hint: I = 1⁄2mb²
3.5 m
0.5 m
Transcribed Image Text:You used hadouken to open the 4-meter tall, 100-kg gate behind which trapos stash their ill-gotten wealth. The hadouken hits the gate, which initially at rest, at a height of 0.5 m from the ground with a speed of 28 m/s and a momentum of 2,240 kg-m/s just before the impact. The impact is perfectly elastic. Hint: I = 1⁄2mb² 3.5 m 0.5 m
3. Which of the following angular momentum equations is CORRECT and can be used to solve for the resulting angular velocity of the gate?
A. 1.5Igate(G)WG1 + 0.5mдVA¹ = 1, 120
B. Igate (G) WG1 +0.5mAVA1 = 1, 120
C. 2m gate VG1 +2Igate(G) WG1 +3.5mAVA1 = 7,840
D. 2m gate VG1 + Igate(G)WG1 +3.5mÄVA₁ = 7,840
4. Which of the following equations derived from the coefficient of restitution formula is CORRECT?
A. 2WG1 - VA1
VA1 = 28
2WG1
28
B. VAI
C. 3.50WG1
D. VA1 - 3.50WG1
-
-
=
VA1 = 28
UAl
28
=
5. Which of the following best approximates the angular speed of the gate after impact?
A.
7.36 rad/s
B.
C. 10.36 rad/s
12.32 rad/s
8.26 rad/s
D.
Transcribed Image Text:3. Which of the following angular momentum equations is CORRECT and can be used to solve for the resulting angular velocity of the gate? A. 1.5Igate(G)WG1 + 0.5mдVA¹ = 1, 120 B. Igate (G) WG1 +0.5mAVA1 = 1, 120 C. 2m gate VG1 +2Igate(G) WG1 +3.5mAVA1 = 7,840 D. 2m gate VG1 + Igate(G)WG1 +3.5mÄVA₁ = 7,840 4. Which of the following equations derived from the coefficient of restitution formula is CORRECT? A. 2WG1 - VA1 VA1 = 28 2WG1 28 B. VAI C. 3.50WG1 D. VA1 - 3.50WG1 - - = VA1 = 28 UAl 28 = 5. Which of the following best approximates the angular speed of the gate after impact? A. 7.36 rad/s B. C. 10.36 rad/s 12.32 rad/s 8.26 rad/s D.
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