Aperson looks across a stadium at the scoreboard, which appears blurry. the person looks down at the program, which is completely in focus. what vision condition is described?

a) color blindness

b) astigmatism

c) farsightedness

d) nearsightedness

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v

Ways that industry and agriculture use physical properties to separate substances