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. | \(1000\) 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. | \(ut\) | 2. | \(2ut\) |
3. | \(ut+\dfrac{1}{2}gt^2\) | 4. | \(2ut+gt^2\) |
A projectile projected close to the earth's surface rises to a maximum height of \(H\) and has a horizontal range of \(d\). The horizontal velocity of the projectile is:
1. | \(\sqrt{2gd} \) | 2. | \(\sqrt{2gH} \) |
3. | \(\sqrt{\dfrac{gd^2}{2H}} \) | 4. | \(\sqrt{\dfrac{gd^2}{8H}}\) |
1. | \(\Large\frac{u^2}{4g}\) | 2. | \(\Large\frac{u^2}{2g}\) |
3. | \(\Large\frac{2u^2}{g}\) | 4. | \(\Large\frac{\sqrt2u^2}{g}\) |
1. | is always positive |
2. | is always negative |
3. | maybe positive, negative or zero |
4. | is always non-zero |