Looking for reliable answers? Westonci.ca is the ultimate Q&A platform where experts share their knowledge on various topics. Explore our Q&A platform to find reliable answers from a wide range of experts in different fields. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.

Solar radiation on Earth is approximately 1kW/m². Calculate the force per square meter (pressure) of a surface:
a) totally reflective
b) totally absorbing.