which motor to be used???stepper or DC motor

hi

first,the motor which is to be used is to drive a glass window.

the motor has to rotate 3.5 rotations in 1.5sec and afterwards it should start rotating in the anti clockwise direction,for the same period(3.5 rotations in 1.5 sec)

the rpm of the motor is 1500.

now which motor is to be used??

stepper or DC motor???

y tht particular motor should be chosen??

Perhaps you should pay attention in class and do your own homework?.

You could use either one, DC motors are typically used in cars, it's just simpler and cheaper.