Physics Uncovered on Instagram: "Prof. Walter Lewin’s well-known basketball–tennis ball experiment is a classic way to show how elastic collisions and momentum transfer work. When the two balls are dropped at the same time, the basketball rebounds off the ground and passes much of its momentum to the tennis ball. As a result, the tennis ball shoots upward to a height far greater than its original drop point. This dramatic demonstration highlights the conservation of both energy and momentum duri

MORFIN on Instagram: "Here’s a clear, to-the-point overview of Liv and Maddie: --- 📝 Basic Info Type: American teen sitcom Created by: John D. Beck & Ron Hart Network: Disney Channel Aired: July 19, 2013 – March 24, 2017 Seasons: 4 (80 episodes) Main Star: Dove Cameron (in a dual role) --- 📖 Premise The show follows identical twin sisters with very different personalities: Liv Rooney – a glamorous, outgoing TV actress who’s just returned home to Wisconsin after four years starring in a hit sho