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The elastic constant of the spring in figure is `25.00 N//m` and the mass of the block is `0.50` kg. If the block is to hit the bottle, what is minimum value of `v_(a)`. The spring has natural length when block is `x = 0 m`. A. `0.44 m//s`B. `0.88 m//s`C. `0.20 m//s`D. `0.15 m//s` |
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Answer» `W_(s)+W_(g)+W_(n)=Deltak` `1//2k 0.05^(2)-1//2K 0.08^(2)+0+0` `=0-1//2mv_(0)^(2)` |
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