modeling the motion of the fly on the web as a mass on a spring, at what frequency will the web vibrate when the fly hits it?

Ineed extreme for task 2. my student number is 571721. many to whoever solves this correctly, im in debt to you.

You notice a very one-dimensional-thinking snail crawling along one rail of a railroad track. naturally, you remove it to a safer place. but before you do, you observe it as it moves from position xi = -92.9 cm to position xf = -64.9 cm along the rail, as measured from a point where one rail abuts the next. what is the snail\'s displacement δx in centimeters?

A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?