Lacking a ruler, you decide to measure a table with a sheet of paper. it takes 9 sheets of paper to measure the length of the table. later on, you find out the paper is 28 cm long. how long is the table, in meters

Balloon a has charge q, and identical mass balloon b has charge 10q. you hang them from threads near each other. choose all of the statements with which you agree. check all that apply. a. a and b exert the same magnitude forces on each other. b. the force that a exerts on b is 10 times the force that b exerts on a. c. the angle between the thread supporting a and the vertical is < the angle between the thread supporting b and the vertical. d. the force that a exerts on b is 1/10 the force that b exerts on a.

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon

Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?