A car accelerated at a rate of 3ft/s^2 for 2 seconds. at the end of this time period the velocity of the car was 55ft/s what was
1 answer:
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Answer:
Explanation:
Given that,
Pressure, P = 1 atm = 101325 Pa
Area of the square surface, A = 10² = 100 m²
We need to find the mass of vertical column of air. We know that, pressure is equal to the force acting per unit area. So,
So, the required mass of the vertical column of air is .