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90°
Because horizontal component of gravity is zero along horizontal direction.
Infinite.
They must represent the physical quantities of same nature.
The velocity vectors of a stationary object is a zero vectors.
What is the angle between velocity and acceleration at the highest point of a projectile motion ?
90°
90°
See lessA body projected horizontally moves with the same horizontal velocity although it moves under gravity. Why ?
Because horizontal component of gravity is zero along horizontal direction.
Because horizontal component of gravity is zero along horizontal direction.
See lessWhat is the maximum number of component into which a vector can be resolved ?
Infinite.
Infinite.
See lessState the essential condition for the addition of vectors.
They must represent the physical quantities of same nature.
They must represent the physical quantities of same nature.
See lessWrite an example of zero vector
The velocity vectors of a stationary object is a zero vectors.
The velocity vectors of a stationary object is a zero vectors.
See less