Question 10 of 10 Which expression correctly describes force using Sl units?
A. 1 N = 1 kg m/s2
B. 1 N = 1 kg. m/s
O C. 1 J = 1 kg. m/s2
O D. 1 J = 1 kg-m/s

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up

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