1. | v1>v2 |
2. | v1<v2 |
3. | v1=v2 |
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+12gt2 | 4. | 2ut+gt2 |
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. | √2gd | 2. | √2gH |
3. | √gd22H | 4. | √gd28H |
1. | u24g | 2. | u22g |
3. | 2u2g | 4. | √2u2g |
1. | is always positive |
2. | is always negative |
3. | maybe positive, negative or zero |
4. | is always non-zero |