HPHY_Unit 1 Review_2023_2024

In physics using MKS units all lengths are in _____

• miles

• meters

• inches

• kilometers

Speed is an example of a _____ unit

Time would be an example of a _____ unit

• fundamental ; fundamental

• derived ; derived

• fundamental; derived

• derived ; fundamental

You travel 8 meters in 2 seconds.

What is your speed?

• 16 m/s

• 10 m/s

• 4 m/s

• 6 m/s

0.000000043566 in scientific notation would be _______

• 43.566*10^8

• 435.66*10^8

• 4.3566*10^8

• 4.3566*10^-8

The age of the universe is about 10^17 seconds.

One year is 10^ 7 seconds.

The age of the universe is ____ orders of magnitude more than one year

• 24

• 10

• 7

• 17

This target shows

• high accuracy ; high precision

• low accuracy ; high precision

• low accuracy ; low precision

• high accuracy ; low precision

The high precision and low accuracy show that this target has significant ______ error present

• random

• systematic

this shows

• high accuracy

  low precision

• low accuracy

  low precision

• high accuracy

  high precision

• low accuracy

  high precision

choosing to leave a lot of decimals in a measurements means that the _____ is very high

• accuracy

• precision

0.00500

• 6

• 3

• 1

• 5