Phy 130: JiTT Problem 1

JiTT for Wednesday August 26.  Answer the following questions by 8:30 AM.   Include at least one sentence (English please!) explaining how you arrived at your answer.  Longer answers are permissible. 

Question 1:

How many heartbeats occur in an average person's lifespan?

Question 2:

What do physicists mean when they use the term "dimensional analysis"?

Question 3:

For how small an angle is sin (x) ~= x to two significant digits?
How about tan (x) ~= x?
How about tan (x) ~= sin (x)?

Question 4:

 

A bouncing ball is moving as shown.  Answer the following questions. Restart

Name


Below is a space for your thoughts, including general comments. What was hard or confusing (or cool) about today's assignment or class? What would you like to spend extra time on in class? Do you see how this subject fits in with the others we have discussed?