Many household products we consider necessary today such as AM and FM radios, televisions, wireless networks, cordless and cellular telephones, remote-controlled toys, and GPS receivers use to transmit information to humans all over the world.
A) microwaves
B) radio waves
C) seismic waves
D) infrared waves

Jessie ran 5000 meters from the cops and an average speed of 6 meters / second before he got caught . how long did he run?

Ais not a compound machine. a. bolt b. shovel c. handcart (dolly) d. see-saw (teeter totter)

Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j