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The engine of a train produces a force of 3000N when moving at 30.ms-1. calculate...

Physics
WAEC 2006
The engine of a train produces a force of 3000N when moving at 30.ms-1. calculate the power of the engine
  • A. 1.00 x 102W
  • B. 3.00 x 104W
  • C. 9.00 x 104W
  • D. 3.00 x 105W
Project Topics and Materials, Post-UTME past questions - Download now or upload yours to get paid
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Correct Answer: Option C
Explanation
P = FV

= 3 x 103 x 30

= 9 x 104W
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
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Project Topics and Materials, Post-UTME past questions - Download now or upload yours to get paid
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Join your school's WhatsApp group
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Join your school's WhatsApp group
Project Topics and Materials, Post-UTME past questions - Download now or upload yours to get paid
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789