As the car falls off the cliff, what is happening to the kinetic energy of the falling car?

Aknife blade is a(n) a. lever b. screw c. wedge d. inclined plane

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c

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