Grade Upto college level Engineering Entrance Exams
. A mass of 0.01 kg is hung from a series combination of two ideal light springs having
spring constants k1= 10 Nm-1 and k2 =20 Nm-1
. The net stretching of this spring-mass
system is
a) 3 cm b) 1.5 cm c) 6 cm d) 2.5 cm