Mechanical advantage = ideal mechanical advantage x efficiency = 3.5 x 0.6 = 2.1
The mechanical advantage of the inclined plane is 2.1
Answer:
T = 60 s
Explanation:
There are 6 poles on the track which are equally spaced
so the angular separation between the poles is given as


so the angular speed of the train is given as


now we have time period of the train given as



Answer: Different fuel components boil at different temperatures, allowing them to be separated.
Explanation:
Answer:
Explanation:
If two forces act on an object in the same direction, the net force is equal to the sum of the two forces.