Question $12$

$0/1$ pts

An electric car has wheels of diameter $690$ mm $,$ and its motor has the speed$-$torque characteristic of the Tesla motor shown in the lecture slides. The gear ratio $($wheel speed : motor speed$)$ is $0\mathrm{.}08.$ What speed can the drive at in equilibrium when total resistance forces $($rolling resistance, drag etc$)$ are $4350$ N$?$

$($Note: an imperial lb$-$ft is $1\mathrm{.}36$ Nm $)$

Hints $($copy$-$paste the blanked$-$out text to reveal$)$: $1.$

$2.$

$3.$