Explore Westonci.ca, the leading Q&A site where experts provide accurate and helpful answers to all your questions. Connect with a community of professionals ready to provide precise solutions to your questions quickly and accurately. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.

The average 8th grade student weighs 100 pounds. The average bike helmet designed for 13-14 year olds can absorb 97 joules of energy (for a flat surface.) At what speed would the rider have no damage to their head and helmet? Don't forget to convert pounds to kilograms.​