Question

1. brendan and his friends were riding their bikes while racing down the street to see who could ride the fastest. potential energy kinetic energy

Explanation:

Kinetic energy is the energy of motion. When Brendan and his friends are riding their bikes (in motion) while racing, they possess kinetic energy. Potential energy is stored energy (like due to height or position), which isn't the case here as they are moving.

Answer:

KINETIC ENERGY