Physics, 07.10.2019 00:30, dontcareanyonemo
Which of the following statements is false? a. two or more atoms combine chemically to form a molecule. b. two or more different substances combine physically to form a mixture. c. two or more different atoms combine chemically to form an element. d. two or more elements combine chemically to form a compound.
Answers: 3
Physics, 21.06.2019 23:20, lailabirdiemae
Initially, a particle is moving at 5.33 m/s at an angle of 37.9Ā° above the horizontal. two seconds later, its velocity is 6.11 m/s at an angle of 54.2Ā° below the horizontal. what was the particle's average acceleration during these 2.00 seconds in the x-direction (enter first) and the y-direction?
Answers: 1
Physics, 22.06.2019 06:10, crystalryan3797
Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70āc. calculate the work (in kj) done during this process.
Answers: 3
Physics, 22.06.2019 18:30, jonathanvega424
Asmall 12.00g plastic ball is suspended by a string in a uniform, horizontal electric field with a magnitude of 10^3 n/c. if the ball is in equilibrium when the string makes a 30 Ā° angle with the vertical, what is the net charge on the ball?
Answers: 1
Which of the following statements is false? a. two or more atoms combine chemically to form a molec...
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