a vehicle changes its velocity from 90 km/h to a dead stop in 10s. show that its acceleration in doing so is - 2.5m/s^2

What cosmic accident is believed to form many irregularly shaped galaxies?

An electric force exists between which pair of objects? Check all that apply. A) a neutral object and a negative object two negative objects B) a neutral object and a positive object C) two positive objects D) a negative object and a positive object

Object a and object b are both in motion when they collide with each other. They then continue in a new direction unaffected by any other force this is a

Describe three different ways light interacts with matter

Which part of an atom is gained, lost, or shared during a chemical reaction? Electron Proton Neutron Nucleus

What are the steps that produce electricity from this fuel

Adrian read about a new antimicrobial in a popular magazine. The advertisement claimed that the product Bactokil prevents bacterial growth. So, Adrian conducted a controlled experiment to test the product claims.

A world-class sprinter can burst out of the blocks to essentially top speed (of about 11.5 m/s) in the first 15.0 m of the race. what is the average acceleration of this sprinter, and how long does it take her to reach that speed?

How are primary and secondary succession similar and how are they different?

What relates the net force exerted on an object to its mass and acceleration?