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Can the directions of velocity and accel...

Can the directions of velocity and acceleration be opposite to each other? Explain with examples.
Or,Can the velocity of a particle be towards east but its acceleration towards west?

Answer

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Knowledge Check

  • The acceleration (a) and the velocity of a particle in rectilinear motion are related as a = -sqrt(v) . Then

    A
    if the particle comes to rest after 1 s its initial velocity = 0.25 m/s
    B
    if the initial velocityis `v_(0)` then after a time t velocity = `v_(0) - sqrt(v_(0))t+ (t^(2))/(4)`
    C
    if the initial velocity is `v_(0)` then after a fine t, velocity = `v_(0) `-at
    D
    if the initial velocity is 1 m/s the particle comes to rest after 2 s

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    If the instantaneous velocity of the particle is zero, will its instantaneous acceleration be necessarily zero?

    Find an experssion for the acceleration of the particle and hence indicate its direction .

    Two electrons are moving towards each other with a velocity of 10^6m/s . What will be the closest distance of approach between them?

    Write the phase difference between the velocity and acceleration of a particle undergoing a simple harmonic motion.

    Is it possible that velocity of an object be in a direction other than the direction of acceleration?

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