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In case of a projectile motion, what is ...

In case of a projectile motion, what is the angle between the velocity and acceleration at the highest point?

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`90^(@)`
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Assertion : In projectile motion, the angle between the instantaneous velocity and acceleration at the highest point is 180^(@) . Reason : At the highest point, velocity of projectile will be in horizontal direction only.

Projectile motion is a combination of two one-dimensional motion: one in horizontal and other in vertical direction. Motion in 2D means in a plane. Necessary condition for 2D motion is that the velocity vector is coplanar to the acceleration vector. In case of projectile motion, the angle between velocity and acceleration will be 0^@ltthetalt180^@ . During the projectile motion, the horizontal component of velocity ramains unchanged but the vertical component of velocity is time dependent. Now answer the following questions: A particle is projected from the origin in the x-y plane. The acceleration of particle in negative y-direction is alpha . If equation of path of the particle is y = ax - bx^2 , then initial velocity of the particle is

Projectile motion is a combination of two one-dimensional motion: one in horizontal and other in vertical direction. Motion in 2D means in a plane. Necessary condition for 2D motion is that the velocity vector is coplanar to the acceleration vector. In case of projectile motion, the angle between velocity and acceleration will be 0^@ lt theta lt 180^@ . During the projectile motion, the horizontal component of velocity ramains unchanged but the vertical component of velocity is time dependent. Now answer the following questions: An object is projected from origin in x-y plane in which velocity changes according to relation vecv = a hati + bx hatj . Path of particle is

Projectile motion is a combination of two one-dimensional motion: one in horizontal and other in vertical direction. Motion in 2D means in a plane. Necessary condition for 2D motion is that the velocity vector is coplanar to the acceleration vector. In case of projectile motion, the angle between velocity and acceleration will be 0^@ltthetalt180^@ . During the projectile motion, the horizontal component of velocity ramains unchanged but the vertical component of velocity is time dependent. Now answer the following questions: A body is projected at angle of 30^@ and 60^@ with the same velocity. Their horizontal ranges are R_1 and R_2 and maximum heights are H_1 and H_2 , respectively, then A body is projected at angle of 30^@ and 60^@ with the same velocity. Their horizontal ranges are R_1 and R_2 and maximum heights are H_1 and H_2 , respectively, then

A ball is thrown in air . What are its velocity and acceleration at the highest point ?

What is the angle between velocity vector and acceleration vector in unitorm circular motion ?

In a projectile motion the velocity

Assertion In projectile motion, the angle between instanteneous velocity vector and acceleration vector can be anything between o to pi (excluding the limiting case) Reason In projectile motion, acceleration vector is always pointing vertically downwards. (Neglect air friction.)

CBSE COMPLEMENTARY MATERIAL-KINEMATICS-M.C.Q.
  1. In case of a projectile motion, what is the angle between the velocity...

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  2. If the angle between the vectors vecA and vecB is theta, the value of ...

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  3. For an object thrown at 45^(@) to the horizontal, the maximum height H...

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  4. the circular motion of a particle with constant speed is

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  5. At the uppermost point of a projectile, its velocity and acceleration ...

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  6. If |vecA + vecB| = |vecA - vecB|, then the angle between vecA and vecB...

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  7. The x and y coordinates of a particle at any time t is given by x = 7t...

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  8. If K is the kinetic energy of a projectile fired at an angle 45°, then...

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  9. A particle is moving eastwards with a velocity of 5 m//s. In 10 s the...

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  10. A body dropped from top of tower falls through 60 m during the last 2 ...

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  11. The angular velocity of second's hand of a watch will be.

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  12. the angle between the vectors (hati+hatj) and (hatj+hatk) is

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  13. If the scalar and vector products of two vectors vecA and vecB are equ...

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  14. An object , moving with a speed of 6.25 m//s , is decelerated at a ra...

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  15. The velocity time graph for the veticaly component of the velocity of ...

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  16. In one second, a particle goes from point A to point B moving in a sem...

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  17. A boat which has a speed of 5 km per hour in still water crosses a riv...

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  18. A body projected at an angle with the horizontal has a range 300 m. th...

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  19. What is the projection of vecA on vecB ?

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  20. A person travels along a straight road for the first half length with ...

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  21. A projectile rises to a height of 10 m and then falls at a distance of...

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