A roller coaster car rapidly picks up speed as it rolls down a slope. As it starts down the slope, its velocity is 4 m/s. But 6 seconds later, at the bottom of the slope, its velocity is 46 m/s. What is its average acceleration Hurry

i think the answer is -7

Explanation:

4 - 46 = -42       -42\6 is -7  i dont know if its right

its been noted for the past decade or so that there is some (approximately 5% to 7%) shrinkage in the brains of people who have schizophrenia, most notably in the gray matter, which is an important part structures in the brain’s amygdala, hippocampus and parahippocampus, which are all involved in memory storage and retrieval memory storage and retrieval.

explanation:

ive read articles