Physics, 03.07.2019 19:00 VanssaNedina20
In 2.8 s, a car increases its velocity from 20. m/s to 25 m/s. what is the acceleration of the car
Answers: 1
Physics, 22.06.2019 15:20
Arigid tank is divided into two equal parts by a partition. one part of the tank contains 3 kg of compressed liquid water at 400 kpa and 60°c while the other part is evacuated. the partition is now removed, and the water expands to fill the entire tank. determine the entropy change of water during this process, if the final pressure in the tank is 40 kpa. use steam tables.
Answers: 3
Physics, 22.06.2019 23:30
You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?
Answers: 2
Physics, 23.06.2019 00:00
Boiling water is an example of physical change. true or false
Answers: 2
In 2.8 s, a car increases its velocity from 20. m/s to 25 m/s. what is the acceleration of the car...
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