What are the four main parts of a spiral galaxy?

Rounded to the nearest whole number, how many protons are in an atom of krypton? A 36 B 48 C 84 D 120

Newton's law of gravity was inconsistent with Einstein's special relativity because the distance, and thus the force, depends on the reference frame chosen time dilation slows the apparent acceleration, reducing the force mass, and thus the force,

Can someone list two non-examples of volcano formations/eruptions?

How many sig figs are in 3252.6

Which of the following objects would transfer heat by radiation? atmosphere metal spoon fireplace ocean

A Blu-ray disc is approximately 11 centimeters in diameter. The drive motor of a Blu-ray player is able to rotate up to 10,000 revolutions per minute. (a) Find the maximum angular speed (in radians per second) of a Blu-ray disc as it rotates

A body has translatory motion if it moves along a

What is Nothing. (sorry i have been wondering this for a very long time)

What is the weight of a 15kg dog on earth?

Identify the scenario below as to whether they increase, decrease, or not change the frequency in which a string vibrates and thus change its pitch. Assume that no other changes are happening. 1. Tightening a string for greater tension 2.