EASY
Agniveer Vayu
IMPORTANT
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In one hour, a boat goes along the stream and against the stream. The speed of the boat in still water (in ) is:
(a)
(b)
(c)
(d)

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Important Questions on Motion in a Plane
EASY
Agniveer Vayu
IMPORTANT
A boat running downstream covers a distance of 16 km in 2 hours while for covering the same distance upstream, it takes 4 hours. What is the speed of the boat in still water?

EASY
Agniveer Vayu
IMPORTANT
A particle starting from the origin moves in a straight line in the x-y plane. Its coordinates at a later time are The path of the particle makes with the x-axis an angle of

EASY
Agniveer Vayu
IMPORTANT
A body is thrown from a point with speed at an angle with horizontal. When it has moved a horizontal distance of 80 m then its distance from point of projection is -

EASY
Agniveer Vayu
IMPORTANT
If a projectile thrown with a speed v at an angle to the horizontal attains a maximum height of 6.2m, its range will be -

EASY
Agniveer Vayu
IMPORTANT
A projectile is thrown in the upward direction making an angle of with the horizontal direction with a velocity of . Then the time after which its inclination with the horizontal is , is:

EASY
Agniveer Vayu
IMPORTANT
A boy playing on the roof of a high building throws a ball with a speed of at an angle of with the horizontal. How far from the throwing point will the ball be at the height of from the ground?

EASY
Agniveer Vayu
IMPORTANT
A projectile can have the same range R for two angles of projection.If T1 and T2 be the time of flights in the two cases, then the product of the two time of flights is directly proportional to

EASY
Agniveer Vayu
IMPORTANT
A particle is projected at to the horizontal with a kinetic energy K. The kinetic energy at the highest point is
