Question

A 2.0 g desert locust can achieve a takeoff speed of 3.6 m/s (comparable to the best human jumpers) by using energy stored in an internal “spring” near the knee joint. When the locust jumps, what energy transformation takes place? What is the minimum amount of energy stored in the internal spring? If the locust were to make a vertical leap, how high could it jump? Ignore air resistance and use conservation of energy concepts to solve this problem. If 50% of the initial kinetic energy is transformed to thermal energy because of air resistance, how high will the locust jump?

          A 2.0 g desert locust can achieve a takeoff  speed of 3.6 m/s (comparable to the best  human jumpers) by using energy stored
in an internal “spring” near the knee joint.
When the locust jumps, what
energy transformation takes place?
What is the minimum amount of  energy stored in the internal spring?
If the locust were to make a vertical  leap, how high could it jump? Ignore  air resistance and use conservation  of energy concepts to solve this  problem.
If 50% of the initial kinetic energy is  transformed to thermal energy  because of air resistance, how high  will the locust jump?

Added by Kacia G.

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