Question Pre-5: Refer to Section 2. Constant-Acceleration Motion - Free-Fall. You tape a small washer to a ball and hang the ball from an electromagnet. When you press down on a trigger, the electromagnet will shut off, the ball will fall through a height of 75 cm, and land on a time-of-flight pad. Determine the amount of time the ball will take to impact the time-of-flight pad once the trigger is activated. Show your calculations and ignore air resistance