Lab: Conservation of Linear Momentum Answers

In all trials, the magnitude of the final velocity for G1 + G2 was less than the magnitude of any initial velocity. As mass increased, what happened to the velocity?

✔ total masstotal momentumfinal velocity

initial momentumstotal momentum✔ final velocity

Refer to your lab guide and review the data in Table B to complete each statement.

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Refer to your lab guide and review the data in Table F to complete each statement.

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Consider the example data provided to complete the sentences.

3/41/2✔ 1/4

velocity✔ massfinal momentum

✔ 0.020.015.0

Read the scenario and choose the correct answers.

10–2✔ 3

5✔ 13

Projectiles that strike objects are good examples of inelastic collisions. A 0.1 kg nail driven by a gas powered nail driver collides in an inelastic collision with a 10 kg block of wood at rest. The total momentum of the system after the collision is 4.8 kg · m/s. Round your answers to two significant digits.

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Cart 1 has an initial velocity and hits Cart 2 which is stationary. After a perfectly inelastic collision, the combined carts are traveling with exactly one third the initial velocity of Cart 1, and in the same direction. Which is correct about the mass of Cart 2?

The simulation kept track of the variables and automatically recorded data on object displacement, velocity, and momentum. If the trials were run on a real track with real gliders, using stopwatches and meter sticks for measurement, how might the data compare? Check all that apply.There would be variables that would be hard to control, leading to less reliable data.The data would be just as valid if it were recorded with a stopwatch.Meter sticks may lack precision or may be read incorrectly.Real glider data may vary since real collisions may involve loss of energy.Human error in recording or plotting the data could be a factor.Controlling real glider velocities by hand would be just as accurate as simulation controls.