An average froghopper insect has a mass of 12.3 mg and reaches a maximum height of 290 mm when its takeoff angle is 58° above the horizontal.
1. Discover the takeoff speed of the froghopper.
2. How much of the energy stored in its legs just before the leap is used for the jump? Express your answer in micro joules (?J) and in joules per kilogram of body mass (J/kg).