A sprinter runs 500 meters west in a straight line and then turns around and runs in the same

straight line 300 meters east. What is the runner's displacement?

Which of the following is the main color of the un flag yellow, pink, or blue?

The part of the ear where sound wave compressions and rarefactions cause the eardrum to vibrate is the a. inner ear. b. middle ear. c. outer ear. d. auditory nerve.

if my weight is 53.18 kg and i walked up a flight of stairs 4.3 meters tall in 11.35 seconds what would be the work it took me to climb up the stairs in joules?

Most tornadoes carry wind speeds that range from A. 267 to 322 km per hour. B. 1 to 105 km per hour. C. 178 to 266 km per hour. D. 105 to 177 km per hour.

Which region of the sea is affected by changes in the tides?

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?