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A particle is projected vertically upward with an initial velocity of 48 ft/sec and moves according to the law of motion s= 48t - 16t^2

[a] determine the velocity and acceleration of the particle at time t=2
[b] how high will the particle go?
[c] when will the height of the particle be 32 ft?
[d]how long will it take for the particle to reach the ground?
[e] what is the instantaneous velocity of the particle when it reaches the ground?

 

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