A charge of 6.1 uC creates an attractive force of -2.5 x10-6 when separated by 0.972 m. What is the value of the second charge? -1.65 x 10-24 N
-1.60 x 10-21
-1.60 x 10-24
-1.65 x 10-21 N

3. on your graph, the data points between the black squares are data for elements with atomic numbers 3 through 9. locate these elements on your periodic table. what term or description would you use to identify these elements with respect to the periodic table?

Explain vector addition, triangle method and parallelogram method

Moon effect. some people believe that the moon controls their activities. if the moon moves from being directly on the opposite side of earth from you to being directly overhead, by what percentage does (a) the moon's gravitational pull on you increase and (b) your weight (as measured on a scale) decrease? assume that the earth–moon (center-to-center) distance is 3.82 × 10^8 m, earth's radius is 6.37 × 10^6 m, moon's mass is 7.36 × 10^22 kg, and earth's mass is 5.98 × 10^24 kg.