Projectile Motion Zero Angle

What is the horizontal acceleration of a projectile?

• 0 m/s²

• -9.8 m/s²

• 0 m/s

• -9.8 m/s

Tags

NGSS.HS-PS2-1

The horizontal component of a projectile's velocity is independent of...

• its range

• time

• the vertical component

• none of these

What is the vertical acceleration of a projectile?

• 0 m/s²

• -9.8 m/s²

• 0 m/s

• -9.8 m/s

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

Which of the following projection angles will give a projectile its greatest range?

• 30 degrees

• 45 degrees

• 60 degrees

• 90 degrees

Which of the following acts on a projectile in the vertical direction causing it to travel in a parabolic arc?

• Friction

• Gravity

• Tension

• There is no force in the vertical direction.

Tags

NGSS.HS-PS2-4

TRUE OR FALSE.

A ball is kicked at an angle of 30 degrees above the horizontal. At the highest point, the ball has zero vertical velocity and zero horizontal acceleration.

• True

• False

Which of the following pairs of projection angles will result to a projectile having the same range?

• 40° and 30°

• 35° and 55°

• 25° and 75°

• 15° and 80°

Which of the following equations may be used to compute for the initial horizontal velocity of an object projected with an initial velocity, v_{i ,} at an angle, θ, above the horizontal?

• v_ix = v_i sin θ

• v_ix = v_i cos θ

• v_iy = v_i sin θ

• v_iy = v_i cos θ

Which of the following equations may be used to compute for the initial vertical velocity of an object projected with an initial velocity, v_{i ,} at an angle, θ, above the horizontal?

• v_ix = v_i sin θ

• v_ix = v_i cos θ

• v_iy = v_i sin θ

• v_iy = v_i cos θ

Which of the following angles will enable a projectile to reach the greatest maximum vertical displacement?

• 45°

• 85°

• 10°

• 75°