Projectile motion

What is the sign of horizontal velocity V_x at point B

• +

• -

• 0

What is the sign of vertical velocity V_y at point B

• +

• -

• 0

What is the sign of acceleration at point B

• +

• -

• 0

What is the sign of the vertical velocity V_y at point C, before hitting the ground?

• +

• -

• 0

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

What is the sign of the horizontal velocity V_x at point C, before hitting the ground?

• +

• -

• 0

What is the sign of the acceleration at point C, before hitting the ground?

• +

• -

• 0

What happens to the horizontal velocity V_x when the ball moves from A to B (going up)

• increases

• decreases

• remains constant

What happens to the vertical velocity V_y when the ball moves from A to B (going up)

• increases

• decreases

• remains constant

Tags

NGSS.HS-PS2-1

What happens to the horizontal velocity V_x when the ball moves from B to C (going down)

• increases

• decreases

• remains constant

What happens to the vertical velocity V_y when the ball moves from B to C (going down)

• increases

• decreases

• remains constant

Tags

NGSS.HS-PS2-1