Which quantities have both a magnitude and direction

What is the other name for photosynthesis

Electromagnetic radiation with a frequency of 8.6 x 1014 hz incident on an unknown metal surface causes ejection of photoelectrons with kinetic energies of 1.3 x 10-19 j. what is the unknown metal?

Which measurement below has three significant figures? A. 12,300 lbs B. 12.02 m C. 0.2004 g D. 0.018 km

How much effort force would be needed to roll a barrel with a resistance force of 100N up an inclined plane with a height of 2m and an inclined plane of 8m?

Which element below has chemical properties similar to the chemical properties of fluorine. A. B B. O C. He D. I which element below has chemical properties similar to the chemical properties of tin A. As B. In C. Ge D.

Two objects experience a 12 N electrical force between them. What force will the objects experience if the distance between them is doubled?

a submarine moving directly upward in the water at constant speed. The weight of the summer and it is 500,000 N. The submarines motors are off. The magnitude of the buoyant force acting on the submarine is

If the car went 30 km west in 25 min. and then 40 km east in 35 min., what would be its total displacement?

Which of the following is not the name of a space station that was in orbit around Earth?

Relationship between acceleration and free fall