The figure shows two carts before and after a collision. Take motion to the right as positive. How should the collision be classified?

Use the before-and-after values in the figure. Take right as positive. Which classification is correct?

The figure gives all masses and velocities for a closed collision. Take right as positive. What type of collision is shown?

Compare the total kinetic energy before and after in the figure. Take motion right as positive. How should this collision be classified?

The two panels show a collision on a nearly frictionless track. Take right as positive. Which label best fits the collision?

Use the figure to decide the collision type. Take motion right as positive.

The figure shows a closed two-cart collision. Take right as positive. Which classification matches the data?

Read the values in both panels. Take right as positive. How should the collision be classified?

The figure gives mass and velocity before and after a collision. Take right as positive. What type of collision is shown?

Use the two-panel data. Take right as positive. Which classification is best?

A 1.0 kg cart moving +4.0 m/s collides with a 3.0 kg cart at 0 m/s; after impact both carts have +1.0 m/s. Which classification fits?

In a closed collision, a 2.0 kg cart at +5.0 m/s and a 2.0 kg cart at -2.0 m/s collide; total kinetic energy changes from 29 J to 17 J. What is conserved?

A 2.0 kg glider at +3.0 m/s and a 2.0 kg glider at -3.0 m/s collide; measurements show total kinetic energy is 18 J before and 18 J after. What type is it?

A 1.0 kg puck at +6.0 m/s hits a 3.0 kg puck at 0 m/s; afterward the pucks move separately and total kinetic energy falls from 18 J to 12 J. Which type?

A 0.50 kg cart at +8.0 m/s collides with a 1.50 kg cart at 0 m/s in a closed system. Which quantity is guaranteed to have the same total before and after?

A 0.40 kg cart at +6.0 m/s hits a 0.60 kg cart at 0 m/s; after the collision both carts have +2.4 m/s. What makes this perfectly inelastic?

A 4.0 kg block moving 5.0 m/s east hits a stationary 6.0 kg block, and they move together. Take east as positive. How much kinetic energy is converted?

A 1.5 kg cart moving 8.0 m/s east collides with a 0.5 kg cart moving 4.0 m/s west, and they move together. Take east as positive. What is their final velocity?

A 3.0 kg cart at +2.0 m/s collides with a 1.0 kg cart at -6.0 m/s, and they move together. How much kinetic energy is converted to other forms?

A 2.0 kg cart moving 10.0 m/s east hits a stationary 3.0 kg cart, and the carts move together. Take east as positive. What is their common final velocity?

A 5.0 kg cart at +3.0 m/s collides with a 5.0 kg cart at -1.0 m/s, and they move together. How much kinetic energy is lost?

A 0.20 kg puck at 30 m/s east hits a 0.30 kg puck at 10 m/s west, and they move together. Take east as positive. What is the common final velocity?

A 0.20 kg puck at +5.0 m/s collides with a 0.20 kg puck at -5.0 m/s. If the collision is elastic, what does elastic mean here?

A 1.0 kg cart at +4.0 m/s hits a 1.0 kg cart at 0 m/s in a closed system, and total kinetic energy decreases. A student says momentum turned into heat. What is correct?

A 2.0 kg cart at +3.0 m/s and a 1.0 kg cart at -3.0 m/s have a perfectly inelastic collision. Which statement must be true right after?