1.

A car moves with a speed of 90 km/h for 30 minutes. a) Find the speed of the car in m/s. b) Find the distance covered by the car in km.

Answer» TION:(a) Speed of car in m/s. = 90 * 1000/3600Speed = 25 m/s.(b) DISTANCE = Speed * TimeDistance = 90 KM/ hr. * 1/2 hr.                           (because 30 MIN. = 1/2 hr.)Distance = 45 km


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