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14-12-2022
Physics

Answered

In 1992, David Engwall of California used a slingshot to launch a dart with a mass of 62 g. The dart traveled a horizontal distance of 477 m. Suppose the slingshot had a spring constant of 3.0 x 10 N/m. If the elastic potential energy stored in the slingshot just before the dart was launched was 1.4 x 1021, how far was the slingshot stretched?
a. 10.2 cm
b. 28.8 cm
c. 9.70 cm
d. 34.9 cm

Answer :

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