course Phy 121
I have a couple of questions on the assignment. Question 18 - for part a, I got the answer 2.54 x 10^12in. Is that correct? On part b, I don? have a clue where to start, can you please help me?Question 20 - here are my answers, I? not sure they?e what it? asking for, please let me know.
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A - 1 mi = 1.609km = 1.609 km/mi
B - 1m = 3281ft = 3.281 ft/mi
C - 60s = 1hr and 1km = 10^3 m
Questions 19 and 21 were checked in the back of the book and I understand how to do them.
You're in good shape here.