[Answered] An 8.0 kg-m2 wheel with 155. Joules of rotational kinetic energy requires what torque to bring it to ...

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Author Question: An 8.0 kg-m2 wheel with 155. Joules of rotational kinetic energy requires what torque to bring it to ... (Read 56 times)

jhjkgdfhk

Hero Member
Posts: 569

on: Jul 27, 2018

An 8.0 kg-m2 wheel with 155. Joules of rotational kinetic energy requires what torque to bring it to rest in 4.0 s?

A) -1.6 N-m
B) -1.2 N-m
C) +0.88 N-m
D) -1.8 N-m
E) -1.0 N-m

Question 2

What is the ionization energy of singly ionized helium?

A) 54.4 eV
B) 13.6 eV
C) 27.2 eV
D) 6.80 eV
E) 36.4 eV

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Marked as best answer by a Subject Expert

katkat_flores

Sr. Member
Posts: 328

Reply #1 on: Jul 27, 2018

Answer to Question 1

E

Answer to Question 2

A

jhjkgdfhk

Member
Posts: 569

Reply 2 on: Jul 27, 2018

TYSM

rleezy04

Member
Posts: 322

Reply 3 on: Yesterday

Wow, this really help

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