Answering Basic Physics Questions with Precision and Accuracy | Homework Help"

[Noreturn]

Homework Statement

So we are given a group of numbers and just wants us to answer some questions. Pretty sure I got it right just want to confirm since we only get one attempt at submitting it.
1) 150+.0005cm
2) 150 + 1cm
3) 65 + 10cm
4) 170 + 10cm

a) which one is most precise?
b) Which one is most accurate? (True height is 165)
C) does NOT have a reasonable uncertainty? (using millimeters)
d) Which one has experienced blunder?

Homework Equations

N/A

The Attempt at a Solution

A) Would be #1 because it has the most significant figures
B) Would be #1 also because it's a difference of 14.99995 where as 4 is 15
C)No idea guessing #2 because it was only on that seamed unreasonable compared to the rest
d) Obvious 3 because it's not even close to the rest

Thanks for checking these!

 

[haruspex]

C) does NOT have a reasonable uncertainty? (using millimeters

Not certain, but I think the "using mm" means that the measuring instrument used only had a precision down to the nearest mm. You might want to reconsider your answer.

By the way, are the plus signs all supposed to be ±?

 

[berkeman]

Homework Statement

So we are given a group of numbers and just wants us to answer some questions. Pretty sure I got it right just want to confirm since we only get one attempt at submitting it.
1) 150+.0005cm
2) 150 + 1cm
3) 65 + 10cm
4) 170 + 10cm

a) which one is most precise?
b) Which one is most accurate? (True height is 165)
C) does NOT have a reasonable uncertainty? (using millimeters)
d) Which one has experienced blunder?

Homework Equations

N/A

The Attempt at a Solution

A) Would be #1 because it has the most significant figures
B) Would be #1 also because it's a difference of 14.99995 where as 4 is 15
C)No idea guessing #2 because it was only on that seamed unreasonable compared to the rest
d) Obvious 3 because it's not even close to the rest

Thanks for checking these!

You did not fill out the Relevant Equations section of the Template, but it is important for you to do that. Consider it the "Relevant Equations and Concepts" part of the Template. What is the definition of precision? Of accuracy? Of uncertainty? And why did you offer the answers that you did? Please give us more, so we can help you better with your leaning and schoolwork. Thanks

 

[mfb]

B) Would be #1 also because it's a difference of 14.99995 where as 4 is 15

Assuming the "+" are supposed to be ±: Check that answer as well.