Un equilibrista de masa 55 Kilogramos se mueve al centro del cable, que se desvía en un ángulo de 3 grados con la horizontal a cada lado.

Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)