Physics, 19.12.2019 03:31 Hardydonotmess1
Baseball reporters say that long fly balls that would have carried for home runs in july "die" in the cool air of octo- ber and are caught. the idea behind this observation is that a baseball carries better when the air is less dense. dry air is a mixture of gases with an effective molar mass of 29.0 g mol21. (a) compute the density of dry air on a july day when the temperature is 95.0°f and the pressure is 1.00 atm. (b) compute the density of dry air on an october evening when the temperature is 50.0°f and the pressure is 1.00 atm. (c) suppose that the humidity on the july day is 100%; thus, the air is saturated with water vapor. is the density of this hot, moist air less than, equal to, or greater than the density of the hot, dry air computed in part (a)? in other terms, does high humidity favor the home run?
Answers: 2
Physics, 22.06.2019 05:00
Aperson standing in a canoe exerts a force of 700 n to throw an anchor over the side. find the acceleration of the canoe if the total mass of the canoe and the person is 100 kg?
Answers: 1
Physics, 22.06.2019 12:30
An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.
Answers: 2
Physics, 22.06.2019 23:40
To place a communications satellite into a geosynchronous orbit at an altitude of 22,240 mi above the surface of the earth, the satellite first is released from a space shuttle , which is in a circular orbit at an altitude of 185 mi, and then is propelled by an upper-stage booster to its final altitude. as the satellite passes through a, the booster's motor is fired to insert the satellite into an elliptic transfer orbit. the booster is again fired at b to insert the satellite into a geosynchronous orbit. knowing that the second firing increases the speed of the satellite by 4810ft/s, determine (a.) the speed of the satellite as it approaches b on the elliptic transfer orbit, (b.) the increase in speed resulting from the first firing at a.
Answers: 2
Physics, 23.06.2019 01:00
Suppose that two objects attract each other with a gravitational force of 16 units. if the distance between the two objects is double, what is the new force of attraction between the two objects?
Answers: 3
Baseball reporters say that long fly balls that would have carried for home runs in july "die" in th...
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