1. | \(v_1>v_2\) |
2. | \(v_1<v_2\) |
3. | \(v_1=v_2\) |
4. | Any of the above can be true depending on the angle of projection |
1. \(a\)
2. \(b\)
3. \(c\)
4. \(d\)
1. | zero | 2. | \(\dfrac{2u^2}{R}\) |
3. | \(\dfrac{u^2}{\sqrt2R}\) | 4. | \(\dfrac{\sqrt2u^2}{R}\) |
1. | \(1000\) m | greater than
2. | \(1000\) m | less than
3. | \(1000\) m | equal to
4. | can be any of the above depending on the height of the cliff |
1. | conservative |
2. | non-conservative |
3. | neither conservative nor non-conservative |
4. | either conservative or non-conservative depending on whether the force is acting forward or backward |
1. | \(ut\) | 2. | \(2ut\) |
3. | \(ut+\dfrac{1}{2}gt^2\) | 4. | \(2ut+gt^2\) |
1. | \(v_A~\text{cos}A=v_B~\text{cos}B\) |
2. | \(v_A~\text{sin}A=v_B~\text{sin}B\) |
3. | \(\dfrac{v_A}{\text{sin}A}=\dfrac{v_B}{\text{sin}B}\) |
4. | \(v_A~\text{tan}A=v_B~\text{tan}B\) |