what is speed and it's unit and formula?for class 7
who answer correctly will be marked as brainllist.
Answers
Answered by
1
BASIC UNIT TO MEASURE TIME AND SPEED - EXAMPLE
S.I unit of time is second denoted by s.
Speed is rate of change of distance hence its S.I unit is metre/second denoted by m/s.Higher unit to measure speed is km/hr or miles/hr
SYMBOL FOR UNITS OF TIME AND SPEED - FORMULA
Unit of time is second denoted by s
Unit of speed is metre/second denoted by m/s, higher unit is denoted by km/hr
UNITS FOR MEASUREMENT OF TIME AND SPEED - DEFINITION
Physical Quantity Unit
Time second (s), millisecond (ms) , minute (min) , hour (hr)
Speed metre/second (m/s), kilimetre/hour (km/hr)
make as brainlist
Answered by
1
Answer:
Speed means total distance coverage in unit time .It's unit is m/s and formula is distance/time
Similar questions