Projectile Motion

What is the horizontal acceleration of a projectile?

• 0 m/s²
• -9.8 m/s²

If you throw a baseball straight up, what is its acceleration at the highest point?

• -9.8 m/s²
• -9.8 m/s
• 0 m/s²
• 0 m/s

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

• 30 degrees
• 45 degrees
• 60 degrees
• 90 degrees

If Vx and Vy are equal, what do you know about the angle the object was launched at?

• Greater than 45 degrees
• Less than 45 degrees
• At 45 degrees. 

A baseball is thrown at a 22.5° angle and an initial velocity of 65 m/s. Assume no air resistance. What is the vertical component of the ball’s velocity? What is the horizontal component of the ball’s velocity?

• 24.9 m/s; 60.1 m/s
• 60.1 m/s; 24.9 m/s
• 0 m/s; 65 m/s
• 17183.25 m

A cannonball is fired at a 45.0° angle and an initial velocity of 625 m/s. Assume no air resistance. How high did the cannonball travel?

• 9963 m
• 39,771 m
• 7.22 m
• 17183.25 m

A baseball is thrown at a 22.5° angle and an initial velocity of 65 m/s. Assume no air resistance. How far did the ball travel horizontally when it hit the ground?

• 500.76 m
• 31.63 m
• 103.7 m
• 305.05 m

A ball is thrown horizontally at a height of 2.2 meters at a velocity of 65 m/s. Assume no air resistance. How long until the ball reaches the ground?

• 0.45 s
• 0.67 s
• 0.22 s
• 0.47 s

A cannonball is fired at a 45.0° angle and an initial velocity of 625 m/s. Assume no air resistance. How long until the cannonball hits the ground?

• 75.4 s
• 45.2 s
• 62.3 s
• 90.2 s

Tags

NGSS.HS-PS2-4

A cannonball is fired at a 45.0° angle and an initial velocity of 625 m/s. Assume no air resistance. What is the vertical component of the cannonball’s velocity? What is the horizontal component of the cannonball’s velocity?

• -625 m/s; 625 m/s
• 441.9 m/s; 441.9 m/s
• -441.9 m/s; 441.9 m/s
• 0 m/s; 625 m/s