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The Physics of Polar Bears and Motorcycle Stunts: Distance and Speed Calculations

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Explore the intriguing physics behind two distinct scenarios involving motion. First, calculate the distance a polar bear travels while swimming, facing a constant deceleration from an initial speed of 2.60 m/s to 2.20 m/s over 9 minutes. Then, analyze a motorcycle rider performing a rear-wheel stunt, starting at 8.0 m/s and accelerating at 2.00 m/s² over a distance of 40.0 m. In both cases, apply equations of motion to determine the final velocity and distance covered.

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The Physics of Polar Bears and Motorcycle Stunts: Distance and Speed Calculations

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  1. Ticket In • 1. The polar bear dives into the water and begins swimming with a speed of 2.60 m/s. By the time the bear arrives at the shore, its speed has decreased to 2.20 m/s. If the polar bear’s swim takes exactly 9.00 minutes and it has a constant deceleration, what is the distance traveled by the polar bear? • 2. The distance record for someone riding a motorcycle on its rear wheel without stopping is more than 320 km. Suppose the rider in this unusual situation travels with an initial speed of 8.0 m/s before speeding up. The rider then travels 40.0 m at a constant acceleration of 2.00 m/s2. What is the rider’s speed after the acceleration?

  2. 64.0 2 = = 1. The polar bear dives into the water and begins swimming with a speed of 2.60 m/s. By the time the bear arrives at the shore, its speed has decreased to 2.20 m/s. If the polar bear’s swim takes exactly 9.00 minutes and it has a constant deceleration, what is the distance traveled by the polar bear? 2. The distance record for someone riding a motorcycle on its rear wheel without stopping is more than 320 km. Suppose the rider in this unusual situation travels with an initial speed of 8.0 m/s before speeding up. The rider then travels 40.0 m at a constant acceleration of 2.00 m/s2. What is the rider’s speed after the acceleration?

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