Timed test!
Please please help me!

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.

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass