Horizontal and Vertical Motions of a Projectile

Which of the following statements is true about horizontal motion of a projectile motion?

• Horizontal velocity is zero at the highest point of a projectile.

• Horizontal velocity changes through time.

• Horizontal motion is not affected by gravity.

• Horizontal motion is dependent on vertical motion

Which of the following statements is false about vertical motion of a projectile motion?

• Vertical acceleration is zero at the highest point of a projectile.

• Vertical velocity changes through time.

• Vertical acceleration is constant.

• Vertical velocity is affected by gravitational force.

After reaching the maximum height, what will happen to horizontal velocity of the ball?

• It will decrease

• It will increase

• It will remain constant

• It will become zero

Which of the following is correct

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A ball is thrown 30^o with respect to the horizontal with an initial velocity of 5m/s . What will be the vertical acceleration of the ball at its maximum height?

• 0.0 m/s²

• -9.8 m/s²

• 3.0 m/s²

• 5.3 m/s²