Related Questions

What height must a satellite be placed above the surface of the earth in order for its rotation to be equal to earth’s rotation?
A 26,426.4 miles
B 27,426.4 miles
C 23,426.4 miles
D 22,426.4 miles
In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of inertia about X-axis should be __________ the moment of inertia about Y-axis.
A Equal to
B Twice
C Three times
D Four times
A right angled triangle , whose perpendicular sides measure 1.8 cm and 2.4 cm ,is inscribed in a circle. What is the circumference of the circle (in cm)?
A π
B 3π
C 2π
D None of these
A right angled triangle, whose perpendicular sides measure 1.8 cm and 2.4 cm, is inscribed in a circle. What is the circumference of the circle (in cm)?
A 5
B 6
C 3
D 7
Plane P take off at 2:00 am and flies at a constants speed of Xmph. Plane Q takes off at 3:30 am and flies the same forte as plane p but travels at a constant X, how many hours after 3:30 am will plane Q overtake plan P?
A 1.5x/y +0.5
B 2
C 4
D 5
A body of weight 'W' is required to move up on rough inclined plane whose angle of inclination with the horizontal is 'α'. The effort applied parallel to the plane is given by (where μ = tanφ = Coefficient of friction between the plane and the body.)
A P = W tanα
B P = W tan (α + φ)
C P = W (sinα + μcosα)
D P = W (cosα + μsinα)
The imaginary axis at which the earth rotates remains inclined at an angle of ____ to the plane of earth's orbit.
A 441/2
B 551/2
C 661/2
D 0
The radius of circle A is r, and the radius of circle B is 3/4r. What is the ratio of the area of circle A to the area of circle B?
A 16 to 9
B 9 to 16
C 1 to 4
D 4 to 3
The angle between the direction of star and the direction of earth's axis of rotation is called
A Co-declination
B Co-latitude
C Declination
D Latitude
When a cylindrical vessel, containing some liquid, is rotated about its vertical axis, the liquid surface is depressed down at the axis of its rotation and rises up near the walls of the vessel on all sides. This type of flow is known as
A Steady flow
B Turbulent flow
C Vortex flow
D Uniform flow

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