edeliz3886
21.08.2019 •
Physics
The ball is traveling 90 mph (about 40m/s) when it reaches home plate. if the ball travels at this speed the whole distance from the pitcher to the batter, how many seconds does it take? show the work and steps!
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Ответ:
32.71 L
Explanation:
We can solve this question using Boyle's law of ideal gas. The law states that the volume and pressure are inversely proportional when the temperature is constant. At first, the volume is 18L (V1) and the pressure is 87.6 kPa(P1). Then the pressure changed into 48.2 kPa(P2). We are asked to find the volume(V2).
The calculation will be:
P1 * V1= P2 * V2
87.6 kPa *18L = 48.2 kPa * V2
V2= 87.6 kPa *18L / 48.2 kPa
V2=32.71 L