If element x has 10 electrons, how many of them will be in the second energy level?

A cylindrical metal can is to have no lid. It is to have a volume of 125π in3. What height minimizes the amount of metal used?

The earth receives energy from the sun. You feel the energy on your skin every time you go outside on a sunny day.

Which of the following would cause the force of static friction to increase?

Over the past few decades earth scientists have developed the theory of plate tectonics

A bike rider pedals with constant acceleration to reach a velocity of 7.5 (vf) m/s over a time of 4.5 s (t). during the period of acceleration, the bike's displacement is 19 m (d). what was the initial velocity of the bike?

What is the difference between electromagnet and electromagnetism?

Which of the following can be determined by studying the spectrum of a star? the chemicals in the atmosphere of the star the motion of the star the temperature of the atmosphere of the star all of the above

How do I find the specific heat of an object?

In order to be considered scientific, evidence must be:

An unknown material has a mass of 5.61 kg, and its temperature increases by 0.124°C when 1320 J of heat are added. What is the specific heat of the material? (Unit = J / (kg*C))