A 25 metric ton train moves toward the south at 70 m/s. At what speed must it travel to have three times its original momentum (to 2 sig figs)?

The ph is the a.independent variable b.the dependent variable c.control group

Match each type of lever with the correct diagram. 1. first-class 2. third-class 3. second-class

Acharged particle moves in a circular path in a uniform magnetic field.which of the following would increase the period of the particle's motion? check all that apply.increasing its chargeincreasing its massincreasing the field strengthincreasing its speed