A bicyclist travels up a $25$m hill and reaches the top with a speed $5\mathrm{.}2$ m$/$sec$.$ At the top of the hill, the bicyclist stops pedaling and coasts down the hill and up the next hill. If the next hill is $15$meters high, how fast will the bicyclist be traveling when he reaches the top of the second hill? 

Answer rating: 100% (QA)

This physics problem can be solved using the principle of conservation of energy assuming no externa... View the full answer