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Verizon [17]
3 years ago
6

Cindy runs 2 kilometers every morning. she takes 2 minutes for the first 250 meters, 4 minutes for the next 1,000 meters, 1 minu

te for the next 350 meters, and 3 minutes for the rest.
Physics
1 answer:
SpyIntel [72]3 years ago
3 0
2000-250-1000-350=400

the rest is 400 meters
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A block-and-tackle pulley hoist is suspended in a warehouse by ropes of lengths 2 m and 3 m. the hoist weighs 430 n. the ropes,
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Refer to the diagram shown below.

For horizontal equilibrium,
T₃ cos38 = T₂ cos 50
0.788 T₃ = 0.6428 T₂
T₃ = 0.8157 T₂                (1)

For vertical equilibrium,
T₂ sin 50 + T₃ sin 38 = 430
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1.2441 T₂ + T₃ = 698.392        (2)

Substitute (1) into (2).
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Answer:
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