Question:
Two identical steel cubes collide head-on face to face with a speed of 10 cm/s each. Find the maximum compression of each. Young’s modulus for steel = Y = 2 × 1011 N/m2.
Solution:
Y = stress/strain
Y = FL/A∆L
WD = F∆L
KE = 5 × 10-4 J
WD = KE
∆L = 5 × 10-7 m