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enyata [817]
2 years ago
11

A baseball player slides into second base. What happens to his momentum?

Physics
2 answers:
TiliK225 [7]2 years ago
7 0
He momentum is reduced by external forces of friction and air resistance. Momentum is not conserved here because this is not a closed system.

Alex2 years ago
4 0
Due to friction from sliding against the ground, the player decelerates in 1 direction. Thus his momentum decreases.
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2 years ago
Refrigerant 134a enters a well-insulated nozzle at 200 lbf/in.2, 200°F, with a velocity of 120 ft/s and exits at 50 lbf/in.2 wit
riadik2000 [5.3K]

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x = 0.75801 = 75.801%

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h_1 + \frac{v_1^2}{2}  = h_2 + \frac{v_2^2}{2}

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h_2 = 94.344 Btu/lbm

At 90 lb/in2 Tsat = 72.78 degree F

h_f = 35.715 Btu/lbm

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h = hf + x hfg

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solving for x we get

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5 0
2 years ago
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