How high above the starting point does the pebble fly
You shoot a 58-g pebble straight up with a catapult whose spring constant is 310 N/m. The catapult is initially stretched by 0.20 m. How high above the starting point does the pebble fly? Ignore air.
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The mercantilist system will eventually be cited as a reason for the American Revolution. However, this was not always the case.
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When the paper is held 29 below the lens, the sunlight is focused on the paper and the paper ignites. What is the focal length of the lens?
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