A bomb, originally sitting at rest, explodes and during the explosion breaks into four pieces of exactly 0.25 kg each. One
piece flies due south at 10 m/s while another piece flies due
north at 10 m/s. What is the speed of each of the other two
pieces?

An atom that has gained or lost electrons is called an _

Asailboat is traveling to the right when a gust of wind causes the boat to accelerate leftward at 2.5m/s2 for 4s. after the wind stops, the sailboat is traveling to the left with a velocity of 3.0m/s. assuming the acceleration from the wind is constant, what was the initial velocity of the sailboat before the gust of wind? answer using a coordinate system where rightward is positive.

First to answer will be the brainliest i need the answer asap