At the top of its highest hill, a rollercoaster's speed is 10 m/s, 3 seconds later it reaches a speed of 32m/s
Just before it gets to the bottom. What was the
Acceleration ?

the answer is a. at the equator

the first american roller coaster was the mauch chunk switchback railway, built in the mountains of pennsylvania in the mid-1800s. the track, originally built to send coal to a railway, was reconfigured as a "scenic tour."

in physics zero. in muscle fatigue could be high