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  1. In an automobile transmission the planet pinions A and B rotate …

    In an automobile transmission the planet pinions A and B rotate on shafts that are mounted on the planet pinion carrier CD.As shown,CD is attached to a shaft at E which is aligned with the …

  2. Phase and group velocity for the wave function - Physics Forums

    Jul 20, 2025 · 20 TL;DR The relation between the concept and formula for group velocity As far as I know, if we have a wave function as a sum of many momentum eigen function, i.e., …

  3. SOLVED: Chapter 5, Problem 5/144: The disk rolls without

    Feb 10, 2023 · SOLVED: Chapter 5, Problem 5/144: The disk rolls without slipping on the horizontal surface. If the disk has a clockwise angular velocity of ωo = 21 rad/s and a …

  4. Calculating Nozzle Flow Rate To work out the flow rate of water from a nozzle we need to work out the volume in a given period of time. To do this we work out the area of the nozzle and …

  5. 2. Problem 4.31 (Textbook) (25 points) 4.31 As a valve is

    Question 2. Problem 4.31 (Textbook) (25 points) 4.31 As a valve is opened, water flows through the diffuser shown in Fig. P4.31 at an increasing flowrate so that the velocity along the …

  6. Is velocity ever a scalar quantity? - Physics Forums

    Dec 27, 2024 · I thought velocity was always a vector quantity, one with both magnitude and direction. When it came to the suvat equations, where v = final velocity, and...

  7. SOLVED: In the mechanism of Fig. 1, arm AB is rotating

    Feb 11, 2023 · The angular velocity is decreasing at a rate of 0.5 rad/s. For this instant, determine: a. The angular velocity ωcp of the arm CD and the velocity v of the slider along …

  8. Understanding Velocity=r (omega)?? - Physics Forums

    Mar 2, 2010 · Homework Statement I do not understand why velocity is equal to the radius times the angular velocity. Angular velocity is given in radians per second. How does this equal …

  9. A normal shock wave propagates down a shock tube into air …

    A normal shock wave propagates down a shock tube into air whose velocity and static pressure are 150 m/s and 100 kPa, respectively, as shown. A thermocouple (temperature-measuring …

  10. Thrown ball velocity and acceleration - Physics Forums

    Sep 2, 2004 · A ball is thrown with enough speed straight up so taht it is in teh air for several seconds. (a) What is the velocity of the ball when it gets to its...