Q30 please solve .........
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JunaidMirza:
What is that equation? x = 4t^2 - ???
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if you differentiate x with respect to time u will get velocity and further differentiating it u will get acceleration
differentiation of 4t^2 is 8t and that of 8t is 8 therefore acceleration is 8m/s^2
differentiation of 4t^2 is 8t and that of 8t is 8 therefore acceleration is 8m/s^2
Q30
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1
Ans A..
Va = Ua - gt and Vb = gt are the current speeds of A and B at any time t. Ua = 10 m/s.
The relative speed is W = Va + Vb = Ua - gt + gt = Ua = 10 m/s
Va = Ua - gt and Vb = gt are the current speeds of A and B at any time t. Ua = 10 m/s.
The relative speed is W = Va + Vb = Ua - gt + gt = Ua = 10 m/s
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