1.Boy's catapult: rubber cord 42 cm long, 6 mm diameter, stone 0.02 kg, stretched 20 cm, stone flies at 20 m/s. Young's modulus of rubber?a.10⁶ Nm⁻²b.10⁴ Nm⁻²c.10⁸ Nm⁻²d.10³ Nm⁻²Login to continueOnly logged in users canattempt or see the solution.
