Projectile Motion

A projectile is launched through the air. When the object reaches its maximum height above ground, which quantity will be zero?

• x-component of velocity

• y-component of velocity

• x-component of acceleration

• y-component of acceleration

A projectile is launched at 68.0° above the horizontal and at a speed of 55 m/s. How long will it take the projectile to reach maximum height?

• 1.8 s

• 3.2 s

• 4.5 s

• 5.2 s

Tags

NGSS.HS-PS2-1

A projectile is launched at 68.0° above the horizontal and at a speed of 55 m/s. What is the maximum height reached by the projectile?

• 233 m

• 158 m

• 2.6 m

• 133 m

For a projectile, which of the following quantities is CONSTANT throughout the trajectory?

• y-component of velocity

• x-component of velocity

• y-component of position

• x-component of position

A projectile is launched at 68.0° above the horizontal and at a speed of 55 m/s. What is the projectile's x-component of velocity at the maximum height?

• 39 m/s

• 55.7 m/s

• 20.6 m/s

• 32.3 m/s

A projectile is launched at 68.0° above the horizontal and at a speed of 55 m/s. What is the horizontal displacement at maximum height?

• 124 m

• 116 m

• 222 m

• 107 m