What is the purpose of doing momentum lab? And what do you predict? I have the objective and introduction below. Thanks

During takeoff, the sound intensity level of a jet engine is 170db at a distance of 34 m. what's the sound intensity level at a distance of 1.0 km?

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.

As a pendulum bob swings back and forth several times, the maximum height it reaches becomes less and less. this is because more and more of the pendulum bob's energy is being transformed into a. heat energy b. kinetic energy c. potential energy d. kinetic energy and potential energy