Which of following is a measure of velocity?
a) 30 seconds
b)30 south
c)30 meters/seconds
d)30 meters/seconds, south

Can anybody me with this? ? (picture included.)

Which branches of natural science include the study of an organism that lived 10 million years ago

3. a lunar exploration vehicle was created by a research team. it weighs 3,000 kg on the earth. it needs an acceleration of 10 m/s2 on the moon. in order to have the same acceleration, what will be the net force acting on the vehicle on the earth?