1. 2m/sec2
2. 12m/sec2
3. 4m/sec2
4. 6m/sec2
2m/sec2
1. 2:3
2. 3:5
3. 3:2
4. 7:4
2:3
1. 1:√3
2. √2:1
3. 1:√2
4. √3:√2
1:√2
1. 0.33
2. 0.52
3. 0.577
4. 0.877
0.577
1. 2mu2
2. mu2/2t
3. u2/2m
4. none of these
u2/2m
1.
2.
3.
4.
1. 1:2
2. 2:1
3. 1:1
4. 4:1
4:1
1. 0.5 m/sec2
2. 1 m/sec2
3. 2 m/sec2
4. 3 m/sec2
1 m/sec2
1. 1:8
2. 1:2
3. √2:1
4. √2
1:2
1. heavy body
2. light body
3. both have equal momentum
4. it depends on the actual velocities
light body