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A 35kg barrel is rolled up a 5m long plank which makes a 30° angle to the plank. What is the potential energy of the barrel at the top?​
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A 35kg barrel is rolled up a 5m long plank which makes a 30° angle to the plank. What is the potential energy of the barrel at the top?​

User Kasper Juner
by
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1 Answer

2 votes

Answer:

100°

will be the angle of the planks

User MigRome
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