A child’s Nerf gun toy is “souped up” by replacing the spring. The spring’s force constant is 1000 N /m now. The spring is compressed by the Nerf dart 10 cm. What force is required to compress the spring in the gun?

Why don't you see your reflection in water with waves or repples

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.

Atomic nuclei of almost all elements consist of