Well this is not quite true. Aggregate is a key component of concrete and is inelastic. In addition concrete pillars and beams will bend slightly under load and is thus not 100% inelastic. Polymer modified concrete and rebar modified concrete is also slightly elastic.
elastic
The midpoint between elastic and inelastic is unit elastic
is soap elastic or inelastic supply
elastic
Inelastic
just check momentum before and after and if they're the same then elastic if not then inelastic.
difference between elastic and inelastic demand
elastic
elastic
Highly elastic.
An elastic item benefits from price decreases whereas an inelastic item does not.
Perfectly inelastic demand, perfectly elastic demand, elastic demand, inelastic demand etc.