AP Projectile

A ball is thrown upwards and caught when it comes back down. In the absence of air resistance, the speed of the ball when caught would be 

• less than the speed it had when thrown upwards.
• more than the speed it had when thrown upwards.
• the same as the speed it had when thrown upwards.

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

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

• -9.8 m/s²

• 9.8 m/s²

• 0 m/s²

• 0 m/s

Tags

NGSS.HS-PS2-1

At which point along this projectile's path is the vertical component of the velocity in the same direction as the acceleration?

• A
• B
• C
• ALL OF THEM

Tags

NGSS.HS-PS2-1

At which point along this projectile's path is the horizontal component of the velocity equal to the initial horizontal velocity?

• A

• B

• C

• ALL OF THEM

At which point along this projectile's path is the acceleration constant?

• A

• B

• C

• At all points

Tags

NGSS.HS-PS2-1

Two objects of the same mass are launched from the ground. Object A has a launch angle of 45, while Object B has a launch angle of 65. Which object has the greatest maximum height height?

• A
• B
• Both objects reach the maximum height
• unable to determine with the given information

Two objects of the same mass are launched from the ground. Object A has a launch angle of 45, while Object B has a launch angle of 65. Which object will hit the ground first?

• A
• B
• Both objects hit the ground at the same time
• unable to determine with the given information

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

A cannon ball is launched at a 45 degree angle from the ground, when is its acceleration the greatest?

• it is the same everywhere
• at the top
• at the bottom
• swag

Tags

NGSS.HS-PS2-1

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