Which of the following is an important part of scientific methods?
a. using calculators
b. teaching others
c. traveling to different places
d. making hypothesis

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle

Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.

The momentum of a car travelinv in a straight line at 20 m/s is 24,500kg·m/s. what is the cars mass?