The value of at the interval h = 1 is
0
1
2
4
A.
0
If a particle moves such that the displacement is proportional to the square of the velocity acquired, then its acceleration is
proportional to s2
proportional to
proportional to
a constant
A ladder 10 m long rests against a vertical wall with the lower end on the horizontal ground. The lower end of the ladder is pulled along the ground away from the wall at the rate of 3 cm/s. The height of the upper end while it is descending at the rate of 4 cm/s, is
m
m
m
6 m