Mining Engineering > GATE 2021 > Earthmoving Machinery
A dump truck moves up an incline of 5° with constant tractive force of 800 kN. The gross mass of the truck is 250 tonne and its rolling resistance is 545 kN. The acceleration due to gravity is 10 m2/s. The time required, in s, to reach a speed of 3.3 m/s from 1.0 m/s is
Correct : b
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