The normal force acting upon the car is best represented by arrow . The force of gravity acting upon the washers is best represented by arrow .
The applied force on the car is best represented by arrow .

What color of light must blue light mix with to create white light? a. yellow b. white c. blue d. green

Asynthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard deviation 3.5 psi. how is the standard deviation of the sample mean changed when the sample size is increased from n equals 8 to n equals 47

What practical value did astronomy offer to ancient civilizations?