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MathematicsMathematics
21 February, 17:15

Find the speed of an

in

object

which converts 120 km in 90min

+4
Answers (1)
  1. 21 February, 17:21
    0
    Speed of object is 80 km/hr

    Step-by-step explanation:

    Step 1: Formula for Speed = Distance/Time

    Given Distance = 120 km and Time = 90 min

    Step 2: Convert given data into SI units.

    Time = 90 min = 90/60 hours = 3/2 = 1.5 hours

    Step 3: Substitute in the formula

    Speed = 120 km / 1.5 hrs

    = 1200/15 = 80 km/hr
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