Physics, 08.03.2021 02:30 smancilla2020
Two 100-kg astronauts are floating in space. The first astronaut is
moving at 4 m/s while the second is at rest. The astronauts collide. Both
are now moving at 2 m/s. What is the total momentum of the system.
400 kg m/s
800 kg m/s
200 kg m/s
600 kg m/s
Answers: 2
Physics, 21.06.2019 16:00
Stion 13 of 20 : select the best answer for the question. 13. if a certain mass of mercury has a volume of 0.002 m3 at a temperature of 20°c, what will be the volume at 50°c? a. 0.002021624 m3 b. 0.004021624 m3 c. 0.000010812 m3 d. 0.002010812 m3
Answers: 1
Physics, 21.06.2019 23:40
What is meant by the statement" the melting poin of glycerine is 13 degree celsius
Answers: 3
Physics, 22.06.2019 10:30
An insulated 40 ft^3 rigid tank contains air at 50 psia and 120°f. a valve connected to the tank is now opened, and air is allowed to escape until the pressure inside drops to 25 psia. the air temperature during this process is kept constant by an electric resistance heater placed in the tank. determine the electrical work done during this process.
Answers: 2
Two 100-kg astronauts are floating in space. The first astronaut is
moving at 4 m/s while the secon...
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