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svlad2 [7]
3 years ago
13

Apilot of mass 70 kg rides a fighter jet The fighter jet moves in a vertical circle of radius 100 m at a constant

Physics
1 answer:
Cerrena [4.2K]3 years ago
4 0

Answer:

the  force exerted by the seat on the pilot is 10766.7 N

Explanation:

The computation of the force exerted by the seat on the pilot is as follows:

F = Mg + \frac{MV^2}{R}\\\\= 70 \times 9.81  + \frac{70 \times 120^2}{100}\\\\= 10766.7 N

Hence, the  force exerted by the seat on the pilot is 10766.7 N

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True or false: Decreased output from the vasomotor center allows arterioles and veins to constrict.
wolverine [178]
<h3><u>Answer;</u></h3>

The above statement is False

<h3><u>Explanation;</u></h3>
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3 years ago
A cylinder of gas is compressed by a piston from an initial volume of 125 liters to a final volume of 90 liters. The compression
ololo11 [35]
Since the process occurs at constant pressure, the work done by the gas on the piston is given by
W=p \Delta V = p (V_f - V_i)
where
W is the work
p is the pressure
V_f is the final volume
V_i is the initial volume

In our problem, we have
V_i =125 L = 125 \cdot 10^{-3}m^3
V_f = 90 L = 90 \cdot 10^{-3} m^3
W=-104 J (where the negative sign means the work is done by the piston on the gas)

We can re-arrange the previous equation and use these values to find the pressure:
p= \frac{W}{V_f - V_i}= \frac{-104 J}{90 \cdot 10^{-3} m^3 - 125 \cdot 10^{-3} m^3}=2971 Pa
7 0
3 years ago
Read 2 more answers
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