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physics Physics For High Schools (KS4)
 
Solved problems for the chapter:
 

Time's Units Conversion

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Unit conversion
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Detailed solution steps are available at:
 
https://en.openprof.com/wb/chapter:time_039%3Bs_units_conversion/5085/


Example 1.

Convert and appropriately express the result in a scientific notation.


 

    
Example 2.

Converts from minutes to milliseconds and appropriately express the result in a scientific notation.


 

    
3.

Convert:


 

    
4.

Convert:


 

    
5.

Convert and express the result in a scientific notation.


 

    
6.

Convert and express the result in a scientific notation.


 

    
7.

Convert:


 

    
8.

Convert and appropriately express the results in a scientific notation.


 

    

9.

Convert and appropriately express the result in a scientific notation.


 

    
10.

Convert and express in a scientific notation.


 

    
11.

Convert and appropriately express the result in a scientific notation.


 

    
12.

Convert to the appropriate unit using a scientific notation.


 

    
13.

Convert and round the result to two decimal places:


 

    
14.

Convert and round the result to two decimal places:


 

    
15.

Convert and express the result in a scientific notation.


 

    
16.

Convert and appropriately express the result in a scientific notation.


 

    
17.

Convert and appropriately express the result in a scientific notation.


 

    
18.

Convert and express the result in a scientific notation.


 

    

19.

Convert and round to one decimal place:


 

    
20.

Convert and appropriately express the result in a scientific notation.


 

    
21.

Convert and write the solution in a standard form in exactly 3 significant figures.


 

   
22.

A boy's clock is 2 seconds behind every 3 hours. By how many minutes is the clock behind in 30 days?

    
23.

One light-year is the distance light travels in one year. The light travels through the Earth and reaches a distance of every second. Calculate how many meters a light-year measures. Note that a year equals 365.25 days.

    
24.

A train departs from the capital towards the northern city at exactly 5:40 am. At what time does it reach its destination if the ride takes ?