Suppose a person wishes to lift a large rock with a lever. If the rock has a mass of 250kg and is located 50 cm from the pivot, and the person can put a force of 650N straight down on her end of the lever, what is the minimum distance from the fulcrum she has to be to lift the rock? A. 0.63 m B. 1.24 m C. 1.88 m D. 2.73 m

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Q: Abdullah sits on the end of a 4.0-m plank. If the mass of the plank is 10 kg, how far should the ful...

A: Solution:   Given Values,   mass of the plank (m)=10 Kg

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A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,...

Q: 2. Keys with a combined mass of 0.100 kg are attached to a 0.25 m long string and swung in a circle ...

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A: From Pythagoras theorem, the side MN be calculated as, MN=OM2+ON2MN=b2+a2

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A: Given, Mass of toddler = 14.4 kg force constant = 1840 N/m

Q: Two people hear a tornado siren, but one listener is 60.3 times farther away from the source of the ...

A: Given: r2=60.3 times r1

Q: Problem Attached

A: Given: The charge at the first corner is q1=2 nC. The charge at the second corner is q2=-2 nC. The ...

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A: (a) Distance travelled s1=v12-u122a1=0-100 km/h22-10 m/s21 m/s3.6 km/h2=38.58 m

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A: A represents position  B represents velocity  C represents acceleration. 

Q: Advanced Physics Question

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