Saved Bookmarks
| 1. |
Q5.If the mass of a body is doubledand its velocity becomes half, thenthe linear momentum of the bodywill(a) remain same(b) becomedouble(c) become half(d) becomefour times. * |
|
Answer» a)= KINETIC energy of a BODY of given mass, is directly proportiional to its square of its velocity. When momentum is doubled, mass remaining constant, this means velcity is doubled. Hence, kinetic energy BECOMES 22=4 times i.e. SAY from 100 UNITS to 400 units.... |
|