if a forest exosystem is removed through clear-cutting, many species of organisms that lived in that ecosystem dsappear. Their l
1 answer:
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Answer:
2.0 m/s/s
Explanation:
The acceleration of an object is the rate of change of velocity of the object.
Mathematically, it is given by:
where
u is the initial velocity
v is the final velocity
t is the time taken for the velocity to change from u to v
Acceleration is a vector, so it has both a magnitude and a direction.
For the runner in this problem, we have:
u = 0 is the initial velocity (he starts from rest)
v = 8.0 m/s is the final velocity
t = 4.0 s is the time taken
Substituting, we find
Answer:0.0704 kg
Explanation:
Given
initial Absolute pressure=210+101.325=311.325
as the volume remains constant therefore
therefore Gauge pressure is 337.44-101.325=236.117 KPa
Initial mass
Final mass
Therefore =0.91-0.839=0.0704 kg of air needs to be removed to get initial pressure back