A. 200 ft/sec
B. 220 ft/sec
C. 240 ft/sec
D. 260 ft/sec
For the curve y2=(x+a)3, then square of the sub tangent is ….subnormal
The approximate value of log (2.01), given that log 2=0.6934 is
If there is an error of 0.05 cm, while measuring the side of equilateral triangles as 5 cm, then the percentage error in area is
A man on a wharf 20mt above the water level pulls in a rope to which a boat is attached at the rate of 4mt per second. At what rate is the boat approaching the shore, when there is still 25mt rope out…?
A particle is moving along a line according to the law s=t3-3t2+5. The acceleration of the particle at the instant where the velocity is zero is
A circular plate expands when heated from a radius of 5 cm to 5.06 cm. The approximate increase area is
A stone is projected vertically upwards with an initial velocity 112 ft/sec and moves such that s=112t-16t2 where s is the distance from the starting point and t is the time. The greatest height reached by the stone is
The angle between the curves y2=8, x2=4y-12 at (2, 4) is
The radius of a sphere is 3 cm. If an error of 0.03 cm is made in measuring the radius of the sphere, then the percentage error in its surface area is
If p and q are the lengths of the perpendiculars from the origin on the tangent and the normal to the curve x2/3+y2/3=a2/3, then 4p2+q2 =