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A brother (mass 20 kg)

I need help with this problem because it is confusing me. I tried to anwer it, though, so can someone please correct me if I am
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2. asked by mTaq14
3. 605 views
A brother (mass 20 kg) and his big sister (mass 32 kg) want to play on a teeter-totter. The beam is 7 m long and has a mass of
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2. asked by Josh
3. 708 views
A brother and sister are standing next to each other at rest on a surface of frictionless ice. The brother’s mass is exactly
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2. asked by katie
3. 6,679 views
Use the analogy to answer the question.Watching from my room, I saw that my little brother was a ball of energy after his nap.
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2. asked by Lee Hooni 🖤
3. 73 views
Use the analogy to answer the question.Watching from my room, I saw that my little brother was a ball of energy after his nap.
1. 1 answer
2. asked by whatever name
3. 81 views
Kevin has a mass of 77.5 kg and is skating with in-line skates. He sees his 21.00 kg younger brother up ahead standing on the
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2. asked by Anonymous
3. 1,757 views
1) David has a mass of 86.4-kg and is skating with in-line skates. He sees his 24.8-kg younger brother up ahead standing on the
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2. asked by Hannah
3. 611 views
Use the analogy to answer the question. Watching from my room, I saw that my little brother was a ball of energy after his nap.
1. 3 answers
2. 181 views
Use the analogy to answer the question.Watching from my room, I saw that my little brother was a ball of energy after his nap.
1. 1 answer
2. 85 views
Use the analogy to answer the question.Watching from my room, I saw that my little brother was a ball of energy after his nap.
1. 1 answer
2. 161 views