-6.7cm just took the time to put this answer down because its been helping me and its right so good luck
As per energy conservation in the reversible engine we can say
here we know that
now from above equation
now we can convert it into kW
so above is the power input to the refrigerator
now to find COP we know that
so COP of refrigerator is 2.2
I got 35 lbs because your doubling the support
Answer:
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Answer:
initial velocity=2.4m/s
Explanation:
Using the formula:
v=u+at
v= final velocity (6m/s)
u=initial velocity (???)
a=acceleration (0.2 m/s²)
t=time(18 seconds)
v=u+at
6=u+(0.2*18)
6=u+3.6
u=6-3.6
u (initial velocity)=2.4m/s