Physics_A_071725

A 1-kg block moving at 12 m/s along the positive x-axis collides inelastically with a 2-kg block initially at rest. What is the final velocity of the combined mass after the collision?

• 12.0 m/s

• 8.0 m/s

• 6.0 m/s

• 4.0 m/s

Tags

NGSS.HS-PS2-2

A 0.8-kg object moving at 7 m/s along the positive y-axis collides and sticks to a 1.2-kg object moving at 5 m/s along the positive x-axis. What is the magnitude of the velocity of the combined mass after the collision?

• 4.2 m/s

• 7.0 m/s

• 6.0 m/s

• 5.8 m/s

Tags

NGSS.HS-PS2-2

A 3-kg block moving at 9 m/s collides inelastically with a 1-kg block moving at 3 m/s in the same direction. What is their final velocity after the collision?

• 7.5 m/s

• 9.0 m/s

• 3.0 m/s

• 6.0 m/s

Tags

NGSS.HS-PS2-2

A 5-kg block moving at 10 m/s collides inelastically with a 3-kg block initially at rest. After the collision, the two blocks stick together. What is their final velocity?

• 10.0 m/s

• 6.25 m/s

• 5.0 m/s

• 8.0 m/s

Tags

NGSS.HS-PS2-2

A 2-kg object moving at 4 m/s along the positive x-axis collides and sticks to a 1-kg object moving at 6 m/s along the positive y-axis. What is the magnitude of the velocity of the combined mass after the collision?

• 5.0 m/s

• 2.67 m/s

• 3.33 m/s

• 4.47 m/s

Tags

NGSS.HS-PS2-2

A 1.8-kg block moving at 7 m/s collides inelastically with a 2.2-kg block moving at 3 m/s in the same direction. What is their final velocity after the collision?

• 5.0 m/s

• 3.0 m/s

• 4.2 m/s

• 6.0 m/s

Tags

NGSS.HS-PS2-2

A 2.5-kg object moving at 6 m/s along the positive x-axis collides inelastically with a 1.5-kg object moving at 4 m/s along the positive y-axis. After the collision, the two objects stick together. What is the magnitude of their velocity after the collision?

• 5.0 m/s

• 4.8 m/s

• 6.0 m/s

• 7.2 m/s

Tags

NGSS.HS-PS2-2

A 3-kg block moving at 8 m/s collides inelastically with a 2-kg block initially at rest. What is the final velocity of the combined mass after the collision?

• 5.0 m/s

• 8.0 m/s

• 3.2 m/s

• 4.8 m/s

Tags

NGSS.HS-PS2-2

A 1.6-kg object moving at 9 m/s along the positive y-axis collides and sticks to a 2.4-kg object moving at 7 m/s along the positive x-axis. What is the magnitude of the velocity of the combined mass after the collision?

• 7.2 m/s

• 6.0 m/s

• 8.0 m/s

• 5.4 m/s

Tags

NGSS.HS-PS2-2

A 2-kg object moving at 5 m/s along the positive x-axis collides and sticks to a 1-kg object moving at 7 m/s along the positive y-axis. What is the magnitude of the velocity of the combined mass after the collision?

• 4.33 m/s

• 7.00 m/s

• 5.67 m/s

• 6.00 m/s

Tags

NGSS.HS-PS2-2