Physics, 28.01.2020 03:31 milak23

Why does the number of elements vary from period to period

Answers: 3

Show answers

Another question on Physics

Physics, 21.06.2019 17:10

Aspecial electronic sensor is embedded in the seat of a car that takes riders around a circular loop-the-loop ride at an amusement park. the sensor measures the magnitude of the normal force that the seat exerts on a rider. the loop-the-loop ride is in the vertical plane and its radius is 23 m. sitting on the seat before the ride starts, a rider is level and stationary, and the electronic sensor reads 740 n. at the top of the loop, the rider is upside down and moving, and the sensor reads 370 n. what is the speed of the rider at the top of the loop?

Answers: 1

Answer

Physics, 22.06.2019 18:30

An electron in an x-ray machine is accelerated through a potential difference of 1.00 × 104 v before it hits the target. what is the kinetic energy of the electron in electron volts?

Answers: 2

Answer

Physics, 23.06.2019 00:10

Acar of mass 800kg is moving at a speed of 2.2m/s.

Answers: 1

Answer

Physics, 23.06.2019 01:30

Sally turns on her cellular telephone to speak to her friend who is located thousands of miles away. which of the following best describes how such a telephone is able to transmit and receive information? a. the cellular telephone transmits, receives, and encodes information using only sound waves. b. the cellular telephone transmits, receives, and encodes information using only electromagnetic waves. c. the cellular telephone transmits information by electromagnetic waves to a receiver which then encodes them and produces sound. d. the cellular telephone transmits information by sound waves to a receiver which then encodes them and produces electromagnetic waves.

Answers: 2

Answer

You know the right answer?

Why does the number of elements vary from period to period...

Questions