Correct answer
C. (iii) and (iv) are coiTect
Explanation
The correct answer is (iii) and (iv) are coiTect.
A ball moving on a smooth horizontal table hits a rough vertical wall, the coefficient of restitution between ball and wall being 1/3. The ball rebounds at the same angle. The fraction of its kinetic energy lost is________?
Scientific planning of transportation system and mass transit facilities in cities should be based on________?
An R.C.C. roof slab is designed as a two way slab if________?
In the network shown in Fig. (15 fig) the latest start time of an activity 4-5 is________?
The grit and silt of the grit chambers, may not be used for________?
A shaft is subjected to bending moment M and a torque T simultaneously. The ratio of the maximum bending stress to maximum shear stress developed in the shaft, is________?