st In the given figure AB || CD and CD || EF. If y: z = 3:7 then x = ? (a) 108° (b) 126 (c) 162° (d) 63°
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an object is thrown upwards with initial velocity of 25m/s and the time it took to hit the ground is 5 seconds then find the height obtained. (Take acceleration due to gravity as 10m/s²) (use the kinematical equation S=ut+1/2at²)
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