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Speed, Distance & Time, Lecture notes of Physics

A windsurfer travelled 28 km in 1 hour 45 mins. Calculate his speed. Speed = Distance. Time. 28. 1•75. = = 16 km/h. 1 hour 45 mins. Answer: His speed was 16 ...

Typology: Lecture notes

2022/2023

Uploaded on 02/28/2023

tarquin
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Download Speed, Distance & Time and more Lecture notes Physics in PDF only on Docsity! Speed, Distance & Time Speed, Distance, Time Calculations 15 mins = 0•25 hour So: 3 hours 15 mins = 3•25 hours 30 mins = 0•5 hour So: 7 hours 30 mins = 7•5 hours 45 mins = 0•75 hour So: 2 hours 45 mins = 2•75 hours Reminder: How to change minutes into a decimal 2 hour 30 mins Answer: He travelled 125 km A salesman travelled at an average speed of 50 km/h for 2 hours 30 mins. How far did he travel? D S T Distance = Speed x Time = 50 x 2•5 = 125 km Answer: It took 9 hours 15 minutes A train travelled 555 miles at an average speed of 60 mph. How long did the journey take? D S T Time = Distance Speed 555 60= = 9•25 hours = 9 hours 15 mins
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