1.

A bike start with speed of 20km/h and it's acceleration is 10km/h for 30 minute find final velocity of bike​

Answer»

Speed or initial velocity (u) 20kmph

20x 5/18 =50/9 m/s =5.55 m/s

Acceleration(a)= 10km/hr^2 (10 x 1000)/

3600 x 3600= 1/1296 m/s^2

Time (t) 30 minutes =1800 seconds

Final velocity(V) = u at

v =50/9 + 1800/1296

=> v=6.94 m/s

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