Q81: Find the speed of a particle in
Q82: Is <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6988/.jpg" alt="Is a
Q83: A particle moves through 3-space in such
Q84: Find the domain of <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6988/.jpg" alt="Find
Q85: If <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6988/.jpg" alt="If find
Q87: Find the domain of <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6988/.jpg" alt="Find
Q88: Let <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6988/.jpg" alt="Let .
Q89: If <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6988/.jpg" alt="If ,
Q90: Find the curvature <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6988/.jpg" alt="Find the
Q91: Write down parametric equations representing the intersection