Estimates of dinosaurs' speeds are usually based on fossil trackways, like the one shown here. The most reasonable interpretations, based on the best-preserved trackways, indicate a walking speed of 3 to 6 miles per hour. Running speeds are often based on the study of biomechanics. Researchers study the muscles and body design of large living animals&#;and the stress on the body caused by running. Applying this research to extinct animals, they think that T. rex was a slow runner, achieving perhaps only about 10 miles (16 kilometers) per hour&#;about as fast as an average human runner. These experts say size slowed T. rex down. But why is it so hard to be big and fast? Bones, muscles, and posture all play a part.
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DINOSAURS! They&#;re big! They&#;re extinct! And they chomp-chomp-chomp all the way to dino-town! (citation needed) Lots of kids love dinosaurs, and here at Tappity, we have all kinds of learning for every K-5 dino-head, including the question, &#;Could a T-Rex win a fight against a brontosaurus?&#;
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For more information, please visit the ultimate guide to animatronic dinosaurs.