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A ball is thrown vertically upwards with the speed of `19.6 ms^(-1)` from the top of building and reaches the earth in 6 s. Find the height of the building .

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(i) Write down the equation of a freely falling body under gravity. (ii) A ball is thrown vertically upwards with the speed of 19.6 ms^(-1) from the top of a building and reaches the earth in 6s. Find the height of the building

(i) Write down the equation of a freely falling body under gravity. (ii) A ball is thrown vertically upwards with the speed of 19.6ms^(-1) from the top of a building and reaches the earth in 6s . Find the height of the building.

Knowledge Check

  • If the object dropped vertically from the top of the building takes 2 second to reach the ground then the height of the building is (g=10ms^(-2))

    A
    10m
    B
    16m
    C
    20m
    D
    25m

  • A ball is thrown vertically upward at a speed of 10 m/s. When it has reached one half of its maximum height. How high does the ball rise? (g=10ms^(-2) )

    A
    5m
    B
    7m
    C
    10m
    D
    12m

    • Similar Questions

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    A ball thrown vertically upwards with a speed of 19.6ms^(-1) from the top of a tower returns to the Earth in 6s. Find the height of the tower. (g=9.8m//s^(2))

    A ball thrown vertically upwards with a speed of 19.6ms^(-1) from the top of a tower returns to the Earth in 6s. Find the height of the tower. (g=9.8m//s^(2))

    A stone is thrown upwards with a speed y from the top of a tower. It reaches the ground with a velocity 3v. What is the height of the tower?

    A boy standing at a distance of 48 meters from a building observes the top of the building and makes an angle of elevation of 30^@ . Find the height of the building .

    A stone is thrown vertically upward with a speed of 28 m/s. (a) Find the maximum height reached by the stone. (b)Find its velocity one second before it reaches the maximum height.

    If an object is thrown horizontally with an initial speed 10ms^(-1) from the top of a building of height 100 m. What is the horizontal distance covered by the particle?

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