09 A car travels (40 km) at average speed of (100 km/h) and travels ( 70 km ) at average speed of (50 km/h) the average
Posted: Sun May 22, 2022 9:37 am
09 A car travels (40 km) at average speed of (100 km/h) and travels ( 70 km ) at average speed of (50 km/h) the average speed of the car for this (110 km) trip is: A)66.0 km/h B)61.11 km/h C)53.33 km/h D) 75.0 km/h E) 57.14 km/h Q10 Two vectors vector A=4i+3j and vector B-3i+8j, the angle between vector A and vector B is : A) 0-32.57° B) 0-36.66° C) - 34.250 D) - 16.26°