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An object is thrwon vertically upwards w...

An object is thrwon vertically upwards with a velocity of 60 m/s. After what time it strike the ground ? Use `g=10m//s^(2)`.

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To solve the problem of an object thrown vertically upwards with an initial velocity of 60 m/s and determining the time it takes to strike the ground, we can use the equations of motion. Here’s a step-by-step solution: ### Step 1: Understand the motion The object is thrown upwards with an initial velocity (u) of 60 m/s. It will rise to a maximum height and then fall back down to the ground. The total displacement when it strikes the ground is 0. ### Step 2: Use the equation of motion We can use the second equation of motion: \[ s = ut + \frac{1}{2} a t^2 \] ...
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