An engine of 102 kg is moving up an inclined plane of inclination 45 with a speed of 40 m/s. The coefficient of friction between rail and engine is 0.6 . If the efficiency of engine is 75% , then what is amount of energy spent by engine in 20...
rishinair2049
Asked:
December 2022
From the velocity-time plot shown in figure, find the average velocity during 40s.
rishinair2049
Asked:
December 2022
Find the time taken by a train 150 m long running at a speed of 63 kmph to cross another train of length 100 m long running at a speed of 45 kmph in the same direction