IB SL Physics - Unit 1: Measurement and Uncertainties

estimating to the nearest 10^?

a value that was actually measured

all non-zeros are _____ [significant/never significant]

leading zeros are _____ [significant/never significant]

middle zeros are ______ [significant/never significant]

trailing zeros are significant when a _____ is present

for sig fig multiplication/division - round to the same SF as the ______ _________ ___________

for sig fig addition/subtraction - round to the _____ of ______ __________

a tool used for converting units and solving problems

all measured values have 3 parts

the three parts of a measured value

1. ______ _____

2. ________

3. _____

+/- 0.05

(absolute uncertainty)/(measured value)

propagation of uncertainty multiply/divide

propagation of uncertainty add/subtract

when measuring on a non-digital device, always read to the nearest ______ _____ and _____ once

when measuring on a digital device, always assume the ____ digit is a ____

a quantity with both magnitude and direction

what are the two ways to signify direction (vectors)? ___ ____, ________ ___________

adding vectors: add ____ to ___

breaking vectors: make a _______, use ___ ___ ___ to find angles/length

adding vectors NOT on a ________ ____:

1. _____ ___

2. ___ ____ __________

3. put them _____ ___________

5 vector quantities:

1. d_______

2. a________

3. v________

4. f_______

5. f_________