MCQ
The longitudinal strain is only possible in
- AGases
- BFluids
- ✓Solids
- DLiquids
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$\left( g =10\,ms ^{-2}\right)$

($1$) The value of $t$ is. . . . . .
($2$) The value of $x$ is. . . . .
Give the answer or qution ($1$) and ($2$)
