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Rate in Mechanical Systems

Rate in Mechanical Systems. 3.1. Linear. Speed Δ d/ Δ t Graphs—slope—rise over run Instantaneous speed Average speed. Linear. Velocity Speed and direction velocity= displacement/time. Linear. Acceleration The rate of change of an object’s velocity Change in speed or direction

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Rate in Mechanical Systems

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  1. Rate in Mechanical Systems 3.1

  2. Linear • Speed • Δd/Δt • Graphs—slope—rise over run • Instantaneous speed • Average speed

  3. Linear • Velocity • Speed and direction • velocity= displacement/time

  4. Linear • Acceleration • The rate of change of an object’s velocity • Change in speed or direction • Uniform vs. nonuniform • aave = Δv/Δt

  5. Angular • Speed • ω = Δθ/Δt (angular speed = angular displacement divided by time interval) • 1 revolution = 360° = 2π radians • v = rω

  6. Angular • Acceleration • Δω = ω2 – ω1 • α = Δ ω/ Δt

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