A body of mass 2 kg makes an elastic collision with a second body at rest and continues to move in the original direction but with one fourth of its original speed. What is the mass of the second body? |
|||
(a) |
1.5 kg |
(b) |
1.8 kg |
(c) |
1.0 kg |
(d) |
1.2 kg |
A body of mass 2 kg makes an elastic collision with a second body at rest and continues to move in the original direction but with one fourth of its original speed. What is the mass of the second body? |
|||
(a) |
1.5 kg |
(b) |
1.8 kg |
(c) |
1.0 kg |
(d) |
1.2 kg |