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What will be the instaneous acceleration...

What will be the instaneous acceleration of an object thrown upward, when it reaches maximum height?

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To determine the instantaneous acceleration of an object thrown upward when it reaches its maximum height, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Motion**: When an object is thrown upward, it moves against the force of gravity until it reaches its maximum height. At this point, its velocity becomes zero before it starts to fall back down. 2. **Identify the Forces Acting on the Object**: The only force acting on the object during its upward and downward motion is the force of gravity. This force causes a constant acceleration directed downward. ...
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Knowledge Check

  • A body is thrown upward and reaches its maximum height. At that position-

    A
    its velocity is zero and its acceleration is also zero
    B
    its velocity is zero but its acceleration is maximum
    C
    its acceleration is minimum
    D
    its velocity is zero and its acceleration is the acceleration due to gravity

  • A ball is thrown vetically upwards at time t=0 . Air resistance is not negligible and the acceleration of free fall is g . The ball reaches a maximum height at time t=T and then descends, reaching terminal speed. Which graph best shows the variation with time t to the acceleration a of the ball

    A
    B
    C
    D

  • At what angle theta to the horizontal should an object is projected so that the maximum height reached is equal to the horizontal range?

    A
    `tan^(-1)(2)`
    B
    `tan^(-1)(4)`
    C
    `tan^(-1)((2)/(3))`
    D
    `tan^(-1)(3)`

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    The height reached in time t by a particle thrown upward with a speed u is given by h=ut-(1)/(2) "gt"^(2) where g is acceleration due to gravity. Find the time taken in reaching the maximum height.

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    A projectile is thrown at an angle of theta=45^(@) to the horizontal, reaches maximum reaches a maxium height of 16m , then

    An object is thrown vertically upward with some velocity. If gravity is turned off at the instant the object reaches the maximum height, what happens ?

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