Helium-4 has how many protons

What is an independent or manipulated variable?

a 205 kg fridge rest on a floor with Us = 0.330. how much forces does it take to set the fridge in motion?

When you stand at rest on a floor, the number of vertical forces acting on you is?

Lesson 8 Exit Ticket 2-3 A STORY OF UNITS Date Jame of the money shown below in standard and expanded form. Write the total value of the money shown be $10 $100 Standard form: $100 $10 $1 $10 $100 $1 Expanded form $10 $1 $10 $1 $1 2.

Two planets, planet A and planet B, have the same surface gravity. However, planet B has twice the radius of planet A. How does the mass of planet B compare to the mass of planet A? A) The mass of planet B is one-fourth the mass of planet A.

An experiment is performed to obtain the value of a physical property. If the true (i. e., correct) value of the property is 50 and the measured (i. e., experimental) value is 32, the percent error of the experimental result is:

White moths were found in huge numbers in the city of Birmingham. These moths could be easily camouflaged by the trees. Because of sudden industrial development, the trees in the city were covered with soot.

What two factors determine how fast weathering occurs

A sound that's produced by a single wave at a constant frequency and with no overtones is called

Which of the following is ignored when determining the relative mass of atoms? protons nucleus electrons. neutrons