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...

• it's 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

What angle will give you the greatest range in the x direction?

• 30 degrees

• 45 degrees

• 60 degrees

• 90 degrees

What acts on a projectile in the y direction that causes an object to travel in a parabolic arc?

• Friction

• Gravity

• Tension

• No force acting.

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

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

• True

• False

Tags

NGSS.HS-PS2-1

Which of the angles will result to a similar maximum range?

• 40° and 30°

• 35° and 55°

• 25° and 75°

• 15° and 80°

What equation should be used to compute for the horizontal initial velocity of an object projected at an angle?

• v_ix = v_i sin θ

• v_ix = v_i cos θ

• v_iy = v_i sin θ

• v_iy = v_i cos θ

What equation should be used to compute for the vertical initial velocity of an object projected at an angle?

• 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 highest possible height?

• 45°

• 85°

• 10°

• 75°