Which subatomic particle can be absent from an atom?

a. neutron

b. electron

c. proton

d. quark

A loop circuit has a resistance of R1 and a current of 1.9 A. The current is reduced to 1.5 A when an additional 3.1 Ω resistor is added in series with R1. What is the value of R1? Answer in units of Ω.

A brief explanation on how TV uses radio waves. i just don't really know how to word it.

2. When the action potential reaches the end of the axon terminal, it causes the release of

The potential difference across the terminals of a battery is 8.70 VV when there is a current of 1.47 AA in the battery from the negative to the positive terminal. When the current is 3.

What's the unit of work

A scientist has been tracking and studying a population of deer in Yellowstone National Park. He surveys the population every six months. Usually, the population is thriving and has a gene pool with a wide variety of traits.

How long will it take a bike traveling at 5 meters per second to travel 25 meters south? A. 5 s B. 0.2 s C. 5 s south D. 0.2 s south

Two masses are connected by a string which passes over a pulley with negligible mass and friction. One mass hangs vertically and one mass slides on a frictionless 30.0-degree incline. The vertically hanging mass is 6.

The coordinates 40 degrees north and 100 degrees east falls in what country?

Which type of radio waves have the highest frequency and are used in radar detection? microwaves x-rays waves infrared waves gamma waves