What do the atomic masses in parentheses found in some elements' squares on the periodic table indicate?

A 70kg box is slid along the floor by a 400n force. The coefficient of friction between the box and the floor is 0.5 when the box is sliding. Find the acceleration of the box

Is there any questions about the human or animal behavior that you would really like to answer? Generate a hypothesis and briefly describe how you would conduct an experiment to answer your question.

One difference between a hypothesis and a theory is that a hypothesis

a resultant force of 4n acts on an object of mass 0.50kg for 3 seconds. what is the change in velocity caused by this force

What the car velocity at the bottom of the first Hill

A bathroom scale is compressed 0.21 in. when a 210 -lb person stands on it. Assuming that the scale behaves like a spring that obeys Hooke's law, how much does someone who compresses the scale 0.06 in.

Explain what happens when a ferromagnetic material is made into a permanent magnet.

You are drawing a branching diagram to show the relationship between Turtles frogs and alligators which two organisms does the diagram indicateas having the most recent common ancestor

Estimate the length of the neptunian year using the fact that the earth is 1.50Ã108km from the sun on average.

Identify one type of electromagnetic energy that has a shorter wave length than green light