Physics
Physics, 21.06.2019 21:30, monaldossari

What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible light d. ultraviolet radiation select the best answer from the choices provided

answer
Answers: 3

Other questions on the subject: Physics

image
Physics, 22.06.2019 11:30, animaljamissofab
Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?
Answers: 3
image
Physics, 23.06.2019 06:30, lilzaya510
Give an example for each of the following situations: 1) negative acceleration, but positive velocity 2) positive acceleration and positive velocity 3) positive acceleration, but negative velocity 4) negative acceleration and negative velocity 5) positive velocity and no acceleration
Answers: 1
image
Physics, 23.06.2019 09:00, karebareyo
You are waiting in line to use the diving board at your local pool. while watching people dive into the pool from the board, you realize that using a diving board to spring into the air before a dive is good example newton's third law of motion. explain how a diving board illustrated newton's law of motion
Answers: 1
image
Physics, 23.06.2019 10:00, auraliamontoya
1. what is the si unit of emf? 2.a complete series circuit consists of a 12.0 v battery, a 4.70 ω resistor, and a switch in the closed position. the internal resistance of the battery is 0.30 ω. what does an ideal voltmeter read when placed across the resistor?
Answers: 2
Do you know the correct answer?
What type of electromagnetic wave is used in security pens? a. x-rays c. microwaves b. visible ligh...

Questions in other subjects: