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  1. Derivation of velocity in nth Bohr orbit • Physics Forums

    Mar 17, 2011 · The discussion focuses on deriving the expression for the electron's speed in the nth Bohr orbit, specifically addressing parts (a), (b), and (c) of a homework problem. The key equations …

  2. Understanding Zero Velocity and Non-Zero Acceleration: Explained

    Aug 1, 2009 · The discussion centers on the concept of having zero velocity while experiencing non-zero acceleration, exploring various scenarios and interpretations within the context of physics.

  3. Velocity operator, its expression and eigenvalues - Physics Forums

    Jan 10, 2023 · Discussion Overview The discussion centers on the definition and implications of the velocity operator in quantum mechanics, exploring its expression, eigenvalues, and the relationship …

  4. Numerade

    Confusing speed with velocity, neglecting the directional component of velocity. Overlooking that deceleration is still a form of acceleration (negative acceleration). Failing to correctly apply the vector …

  5. Exit velocity through a nozzle: Bernoulli vs. Experience

    Jun 25, 2023 · The discussion revolves around the exit velocity of fluid through a nozzle, comparing theoretical predictions from Bernoulli's equation with real-world experiences. Participants explore the …

  6. Finding the Collision Point of Two Objects Using Velocity and Position

    May 19, 2015 · The discussion focuses on calculating the collision point of two objects based on their velocities and positions. It establishes that the time until collision can be derived from the equations …

  7. Torque & Power: Understanding Angular Velocity - Physics Forums

    Sep 9, 2008 · The discussion revolves around the relationship between torque, power, and angular velocity, particularly in the context of rotating systems. Participants explore how torque can exist in …

  8. 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 then multiply it by …

  9. Escape Velocity Question: Why is the final kinetic energy = 0?

    Dec 13, 2020 · The discussion revolves around the concept of escape velocity, specifically addressing why the final kinetic energy of an object is considered to be zero when it reaches an infinite distance …

  10. Velocity Ratio, mechanical advantage, Efficiency of a screw jack

    Jul 16, 2020 · The Velocity Ratio is calculated as VR = 94.2 using a lead screw of 12 mm and a radius of 180 mm. The Mechanical Advantage is determined to be 24.51, based on a load of 200 kg converted …