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Aman Sagar Grade: 11
        

The  height reached by a particle in time thrown upward with a speed u is given by  h=ut - (1/2)g(t*t) , where g is a constant .   


Find the time taken in reaching the maximum height.

7 years ago

Answers : (1)

Prabodh Yadav
31 Points
										

differentiate this eqn(h) wrt t,i.e.,find dh/dt to get the general expression for velocity(varying with t).Now at max height dh/dt=0 therefore put dh/dt=0 in dh/dt.solve and get t!!


dh/dt=u-gt


now at max height


dh/dt=0


thus,u-gt=0


=>t=u/g

7 years ago
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