Physics, 05.12.2021 23:30 sarahmkey6
Describe differences of acceleration at the perihelion and the aphelion.
Answers: 2
Physics, 21.06.2019 22:20
Aboxcar traveling at 12 m/s approaches a string of 5 identical boxcars sitting stationary on the track. the moving boxcar collides and links with the stationary cars and they all move off together along the track. what is the final speed of the cars immediately after the collision? (you may take the mass of each boxcar to be 18,537 kg.)
Answers: 1
Physics, 21.06.2019 22:40
Explain vector addition, triangle method and parallelogram method
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Physics, 23.06.2019 02:00
2) why do satelites not fall while revolving around the earth?
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Physics, 23.06.2019 07:50
In a particular chemical reaction, the energy of the reactants is 30 kj and the energy of the products is 5 kj. 
 the maximum energy of the system is 40 kj. sketch a potential energy diagram for this reaction. make sure to label the energy of the reactants, the energy of the products, the activation energy, and the enthalpy change for the reaction.
Answers: 2
Describe differences of acceleration at the perihelion and the aphelion....
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