i. prima facie means ‘at first sight, before closer inspection’
ii. ad hoc means ‘for the specific purpose, case, or situation at hand and for no other’.
iii. in camera means ‘in secret, in private’
iv. ad infinitum means ‘to infinity, having no end’
v. mutatis mutandis means ‘changing [only] those things which needs to be changed’, [only] the necessary changes having been made Caveat means ‘a warning or caution’
vi. tabula rasa means, chance to start afresh, ‘without any prior experience or knowledge’.
Figure 8.9 shows the strain-stress curve for a given material. What are (a) Young’s modulus and (b) approximate yield strength for this material?

Two identical ball bearings in contact with each other and resting on a frictionless table are hit head-on by another ball bearing of the same mass moving initially with a speed V. If the collision is elastic, which of the following (Fig. 5.14) is a possible result after collision ?
