How is physics related to dental hygiene?

Which quantities are scalars? choose all that apply a. distance b. speed c. acceleration d. velocity

Aweight lifter raises a 1600 n barbell to a height of 2.0 meters. how much work was done? w = fd question 6 options: 3000 joules 30 joules 320 joules 3200 joules

Name two kinds of practical electric pumps.