A cross-country skier can complete a 7.5km race in 45min. What is the skiers average speed?

What is. 145kg * 9.8m/s2

Which of the following make up the three regions of the brain? A. anteriorbrain, midbrain, and innerbrain B. forebrain, midbrain, and hindbrain C. forebrain, middlebrain, and innerbrain D. anteriorbrain, betweenbrain, and posteriorbrain

Consider the phrase, " the quick brown fox jumped over the lazy dog." which details of this situation would a physicist who is modeling the path of a fox ignore?

A charge of 6.4 * 10-7 C experiences an electric force of 1.8 * 10-1 N. What is the electric field strength? 1.1 * 10-7 N/C 3.6 * 10-6 N/C 8.2 * 100 N/C 2.8 * 105 N/C

Flying plane rolling ball moving car crawling bug Which statement best describes the energy of these objects? a. These are objects in motion that have kinetic energy. b. These objects are converting wind energy into movement. c.

What is the source of energy for the process of evaporation?

How could you compare the energy carried in two different longitudinal waves

The instantaneous velocity of an object is the blank of the object with a blank

Which of the following best describes the earth's average surface temperature for the past 900,000 years? A. a steady warming trend B. fairly steady temperatures until recently C. prolonged periods of cooling and warming D.

What should you always include in a great summary? (Select all that apply) A. investigation plan B. possible errors C. predictions D. new questions