For a given velocity of a projectile, the range is maximum when the angle of projection is___________________?
B. 45°(Correct)
C. 90°
D. 0°
B. 45°(Correct)
C. 90°
D. 0°
B. 45°(Correct)
C. 90°
D. 0°
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A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg -m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is_____________________?
A symmetrical body is rotating about its axis of symmetry, its moment of inertia about the axis of rotation being 2 kg -m2 and its rate of rotation 2 revolutions/see. The angular momentum of the body in kg-m2/sec is_____________________? A. 4
B. 6 7i
C. 8TC (Correct)
D. 8Cartesian form of the equation of catenary is_________________?
Cartesian form of the equation of catenary is_________________? A. y = c cosh x/c(Correct)
B. y = c sinh x/c
C. y = c tan x/c
D. y = c sin”1 x/cA simple pendulum of length / has an energy E, when its amplitude is A. If the length of pendulum is doubled, the energy will be___________________?
A simple pendulum of length / has an energy E, when its amplitude is A. If the length of pendulum is doubled, the energy will be___________________? A. E
B. E/2(Correct)
C. 2E
D. 4EIf a body is lying on a plane whose inclination with the horizontal is less than the angle of friction, then___________________?
If a body is lying on a plane whose inclination with the horizontal is less than the angle of friction, then___________________? 1) a force is required to move the body upwards
2) a force is required to move the body downward
3) the body will not be in equilibrium
The correct answer is?A. only (1)
B. only (2)
C. both (1) and (2)(Correct)
D. both (1) and (3)