2 near the middle
between ultraviolet and infared
Answer:
970.2 N
Explanation:
We are given that
Length of ladder=2.7 m
Mass,M=11 kg
Coefficient of friction=

Mass of painter=8M
Distance from base=d
We have to find the magnitude of the normal force exerted by the floor on the ladder.
Normal force exerted by floor on the ladder=
Where 
Normal force exerted by floor on the ladder=
Answer:
V₂=153.84 m L
Explanation:
Given that
Initial volume ,V₁ = 200 m L
Initial pressure ,P₁= 500 torr
Final pressure P₂ = 650 torr
Lets take the final volume =V₂
Given that process occurs at constant temperature and we know that for constant temperature process
P₁ V₁ = P₂ V₂

Now by putting the values

V₂=153.84 m L
Therefore the new volume of the gas will be 153.8 4mL.
Answer:
Explanation:
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