Q: A bullet is fired into a block. Its kinetic energy reduces by 50% in penetrating through 9 cm. What is the total distance penetrated by the bullet?
(a) 10 cm
(b) 12 cm
(c) 15 cm
(d) 18 cm
Ans: (d)
Science|Math|Engineering
Q: A bullet is fired into a block. Its kinetic energy reduces by 50% in penetrating through 9 cm. What is the total distance penetrated by the bullet?
(a) 10 cm
(b) 12 cm
(c) 15 cm
(d) 18 cm
Ans: (d)