Question #f9412 Physics Introduction to Physics Unit Conversion 1 Answer GiĆ³ Oct 3, 2015 I found b) Explanation: You know that #1"mile"=1609m# and #1hr=60min*60sec=3600sec# so: #55mph=(55*1609)/3600~~25m/s# Answer link Related questions What is unit conversion? Question #6b809 Question #d5f5b Question #6b80e Question #4fdbb Question #f749d Question #23cf4 Question #23cf8 Question #4fdc7 How many miles per hour is one knot? See all questions in Unit Conversion Impact of this question 3088 views around the world You can reuse this answer Creative Commons License