The train traveled 500 kilometers north to Odessa in 2 hours. What is the train's speed? What is it's velocity?

A disk-shaped merry-go-round of radius 2.93 m and mass 135 kg rotates freely with an angular speed of 0.621 rev/s. A 62.4 kg person running tangential to the rim of the merry-go-round at 3.21 m/s jumps onto its rim and holds on.

A rolling wheel of diameter of 68 cm slows down uniformly from 8.4 m/s to rest over a distance of 115 m. what is the magnitude of its angular acceleration if there was no slipping?

1. Why is water displacement an effective way of measuring the volume of an irregular solid?

As plates move, large blocks of crust ___ along the faults

If an element loses one electron and gains two neutrons, then it is considered

If 2 grams of element X combine with 4 grams of element Y to form compound XY, how many grams of element Y would combine with 46 grams of X to form the same compound?

How do positive and negative charges interact with each other?

What is electricity

What happens to the density as one progresses through the layers of the earth from the lithosphere toward the inner core

What is tiny holes on the surface of a plant?