Question $5$

$4$

A spinning wheel accelerates from an initial angular velocity of $5ra\frac{d}{s}$ to a final angular velocity of $25ra\frac{d}{s}$ in $10$ seconds. What is the angular acceleration of the wheel?

Answer: $q,ra\frac{d}{s^2}$

Question $6$

$4$ pts

A wheel starts from rest and accelerates with a constant angular acceleration of $4ra\frac{d}{s^2}.$ How much angular displacement does the wheel undergo after $5$ seconds?

Answer: $$ rad.