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A 2.50 × 105 W motor is used for 26.4 s to pull a boat straight toward shore. How far does the boat move toward shore if a force of 4.20 × 104 N is applied by the motor?
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A 2.50 × 105 W motor is used for 26.4 s to pull a boat straight toward shore. How far does the boat move toward shore if a force of 4.20 × 104 N is applied by the motor?
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Jan 18, 2018
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A 2.50 × 105 W motor is used for 26.4 s to pull a boat straight toward shore. How far does the boat move toward shore if a force of 4.20 × 104 N is applied by the motor?
Physics
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Clinemi
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Answer:
157 m
Step-by-step explanation:
right on ed2020
Krizzo
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Jan 20, 2018
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Krizzo
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The power of the motor is
2.50x10⁵ W
or
2.50x10⁵ N m/s
The time it takes to pull the boat is
26.4 s
The force applied is
4.20x10⁴ N
The distance traveled by the boat is
2.50x10⁵ N m /s (26.4 s) / (4.20x10⁴ N)
= 157.14 m
Nickool
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Jan 22, 2018
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Nickool
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