Answer:
no idea
Explanation:
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Answer:
=0.60
Explanation:
Given :Take 
=1.4 for air
=r ⇒ r=16
As we know that
So 
=909.42K
Now find the cut off ration 
So efficiency of diesel engine
Now by putting the all values
So =0.60
So the efficiency of diesel engine=0.60
Answer:
40 ft
Explanation:
Assuming no loss of energy in the system of pulleys, the work done is the same whether you move the load directly or through the pulleys.
W = Fd . . . . . . . . work is the product of force and distance
F(10 ft) = (0.25F)(d) . . . . . where d is the distance we want to find
d = 10F/(0.25F) = 40
The rope will need to move 40 feet.
