ESSAY. Instruction: Write your answer after each question. (Total: 50 Points) 1. Acceleration is the change in velocity

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Essay Instruction Write Your Answer After Each Question Total 50 Points 1 Acceleration Is The Change In Velocity 1 (31.37 KiB) Viewed 21 times

ESSAY. Instruction: Write your answer after each question. (Total: 50 Points) 1. Acceleration is the change in velocity over time. Given this information, is acceleration a vector or a scalar quantity? Explain. (10 Points) 2. Give an example in which velocity is zero yet acceleration is not. (10 Points) 3. Bacteria use their flagella to move back and forth (structures that look like little tails). Speeds of up to 50 um/s have been recorded. A bacterium's total distance traveled is large for its size, while its displacement is small. What is the reason for this? (10 Points) 4. According to Newton's third law of motion, forces always occur in pairs of equal and opposite magnitude. Explain how the selection of the "system of interest influences whether one of these pairs of forces cancels. (10 Points) 5. Explain why climbing a mountain in a zigzag pattern is easier than climbing it straight up the side. Is your gravitational potential energy increase the same in both cases? Is your energy consumption the same in both? (10 Points)