If you drop a silver dollar off a building and it hits the ground in 10 seconds, how fast was the coin going just before?

What changes occur in the brain during the teenage years? 25 points, someone me out!a.) thinking becomes slower as the brain grows larger. b.) connections between neurons become stronger and faster. c.) unused neurons fuse together to form larger, better functioning neurons. d.) more neurons are developed.

When a light bulb shines, it gives off light energy and energy. a. heat b. potential c. chemical d. electrical

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little