If V=,at what rate in cubic unit S in V increasing , where r =10 and =0.01 ?
If the length of the diagonal of a square is increasing at the rate of 0.1 cm/sec. What is the rate of increase of its area when the side is 15/√2 cm ?
1.5
3
3√2
0.15
The distance x meters described by a car in time t seconds is given by x = 3 t2 - 2 t2 + 4 t - 1. Determine the velocity when t = 0
4
5
6
7
For what values of x, the rate of increase of x3 -5x2 +5x+6 is twice the rate of increase of x ?
1, 7/3
3, 1/3
3, 7/3
1/3, 7/3
The value of
2
-2
-1
1
What is the surface area of a sphere when the volume is increasing at the same rate as its radius?
1/2λ
4λ
The point on the curve y =2 x2 - 6 x - 4 at which the tangent is parallel to the x - axis is
If the length of the diagonal of a square is increasing at the rate of 0.2 cm/sec,then the rate of increase of its area when the side is is
3cm2/sec
For the curve x = t2-1, y = t2 - t, the tangent is perpendicular to x - axis when
t = 0
t = l
The radius of a sphere is changing at the rate of 0.1 cm/sec. The rate of change of its surface area when the radius is 200 cm is
