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![\Rightarrow F\cdot x=mgh\quad [\text{x=displacement of the trampoline}]\\\\\text{Insert the values}\\\\\Rightarrow x=\dfrac{50\times 9.8\times 2}{1960}\\\\\Rightarrow x=\dfrac{980}{1960}\\\\\Rightarrow x=0.5\ m](/tpl/images/1388/8489/982c5.png)
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a trampoline launches a 50kg person 2m into the air. if the springs push with 1960N of force, how mu...
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