Physics Concepts Explained: Interactions and Meeting Points
Explore various scenarios involving meeting points in physics, including collisions of trains, dropping objects from bridges, and catching up between vehicles. Understand the concepts of acceleration, velocity, and position in contextual problems. Each scenario is visually represented with detailed descriptions and solutions provided, enhancing your physics knowledge.
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Presentation Transcript
Where do they collide? Train #1 leaves station A and accelerates east at 0.5 m/s/s. At the same instant #1 leaves station A, train #2 leaves station B, (which is 1.0 km east of A) and accelerates west at 0.25m/s/s. Relative to station A, where would the two trains collide? Assume they were on the same straight track.
When to drop? In a romance movie, the female lead rides a boat that travels 5.0m/s down a canal in Paris. Her gentleman courter stands on a bridge, with his hand 10.0m above her s. He wishes to drop a small wrapped gift to her. Where should the boat be when he drops the gift?
Wheres the catch? A motorcycle traveling at a constant 20 m/s passes a police car that is hidden behind some bushes. At the instant the motorcycle passes the police car, it (cop car) accelerates at 3.0m/s/s attempting to catch up to the motorcycle. How far must the police car travel before it catches up to the motorcycle?
To MEET, objects must Reach the same position (final) at the same time. Likely to use xf xi= vit + 1/2at2
JEEP VS Fan Cart Objective: Determine where two vehicles started 1.50 m apart will collide. You must determine the magnitude of the jeep s velocity, and the fan cart s acceleration. Then, starting facing each other, but 1.50 m apart, calculate where they will meet if they are released simultaneously. Assume the jeep s velocity is constant, and that it does NOT start at zero, but the fan cart s velocity does start at zero. Write-up is in the form of a word problem. You write the problem, and show the solution. A simple picture IS required
