Two radio antennas are separated by 1.60 mm . Both broadcast identical 750 MHz waves.
Part A) If you walk around the antennas in a circle of radius 10.0 mm , how many maxima will you detect?

Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?

What is the efficiency of an engine that does 80 j of work and exhausts 320 j of heat while taking in 400 j of heat ? a. 10% b. 20% c. 80% d. 25%

Employer informs its employees that it will hold a substantial cash prize drawing for each work group at the end of each month in which no employee in the work group sustains a lost-time injury. tyra reports an injury that she sustained while operating a mechanical power press. tyra did not violate any employer safety rules when she sustained her injury. tyra’s injury requires her to miss work for two days. her employer cancels the cash prize drawing for that month for tyra’s work group because of tyra’s lost-time injury. did the employer misuse an incentive program to retaliate against tyra?