school
Acemy

Tools

auto_awesomeAll Toolsquestion_answerHomework Q&Amenu_bookAP & SAT PreptimelineLearn ModepsychologyQuiz GeneratortargetReview Mistakescast_for_educationPPT GeneratorcalculateGPA CalculatorstyleFlashcardsspellcheckEssay Coachsmart_displayVideo Summarizerformat_quoteCitation Generatoredit_noteAI Writing

Upgrade to Pro

Unlimited AI answers

school
Acemy
AP1/U3/Power/ap1-nrg-071

Power

AP Physics 1· difficulty 1/5

Two motors do the same total work but motor B takes half the time of motor A. The ratio PB/PAP_B/P_APB​/PA​ is

  • A

    1/21/21/2

  • B

    111

  • C

    222

    check_circle
  • D

    444

Explanation

P=W/tP = W/tP=W/t. Same work, half time → twice the power.

Want 10 more like this — adaptive to your weak spots?

Practice 10 like thisarrow_forwardPredict my AP score

Related questions

  • ap1-nrg-009

    An engine performs 6000\text{J} of work in 30\text{s}. What is its average power output?…

    chevron_right
  • ap1-nrg-014

    An elevator lifts a 400\text{kg} load at constant 2.0\text{m/s}. Using g \approx 10\text{m/s}^2, what is the average power provided by the cable?…

    chevron_right
  • ap1-nrg-032

    A 50\text{kg} student climbs a 4\text{m} flight of stairs in 5.0\text{s}. Using g \approx 10\text{m/s}^2, the average power output against gravity is…

    chevron_right
school
Acemy

AI study tools for homework help, quizzes, flashcards, writing, citations, and presentations — built for students worldwide.

Homework help
  • Homework Helper
  • Math Solver
  • Screenshot Helper
Study creation
  • Learn Mode
  • Quiz Generator
  • Flashcards
  • Study Guide
Writing
  • Essay Coach
  • Essay Grader
Research
  • Citation Generator
  • Video Summarizer
  • PDF Summarizer
  • YouTube Summarizer
  • TikTok Summarizer
  • Audio Summarizer
Planning
  • PPT Generator
  • GPA Calculator
Rewrite
  • Paraphraser
  • Humanizer
  • Tone Changer
Summarize & translate
  • Summarizer
  • Translator
  • Mind Map

Popular

  • Answer AI
  • AI Homework Help
  • Screenshot Help
  • Quiz Solver AI
  • 24/7 AI Tutor
  • Photo Math Solver

Subjects

  • Math
  • Physics
  • Chemistry
  • Biology

Company

  • All tools
  • Study by subject
  • AP & SAT practice
  • Homework Q&A
  • Pricing
  • About
  • Contact
  • Privacy
  • Terms

© 2026 Acemy. All rights reserved.

mail
auto_awesomeAll Toolsquestion_answerHomework Q&Amenu_bookAP & SAT PreptimelineLearn Mode