Q10. The rubber cord catapult has a cross-sectional area of 1 mm2 and a total unstretched length of 10 cm. It is stretched to 12 cm and then released to project a stone of mass 5 g. Taking Young’s modulus Y of rubber as 5 × 108 N/m2, the velocity of projection will be:Physics — Physics of Solids — Question 10 of 123A. 20 cm/sB. 20 m/sC. 2 m/sD. None of thesePractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →