1. why polyester is called a synthetic polymer/plastic?
2. identify the monomer used to produce polyester.(name and structural formula).
3. why polyseter is a thermoplstic?
4. identify any fillers/additives added to polyester and explain your answer.
5. draw the structural formula of...
Homework Statement
a beginning darts player aims a dart directly at the bullseye. the dart reaches the dartboard 0.25 s after throwing the dart. how far below the bullseye ill it land?
Homework Equations
The Attempt at a Solution
Homework Statement
a projectile is launched from a point A and travels a horizontal distance of 28m. it spends a total time of 1.4 seconds in the air.
(a) calculate the horizontal velocity of the projectile.
(b)what is the magnitude and direction of the projectile's velocity at point B. Give...