What does an atomic number describe?
The number of nuclei
The number of pro...
Physics, 08.04.2020 18:43 michael1498
What does an atomic number describe?
The number of nuclei
The number of protons
The number of neutrons
The number of electrons
Answers: 1
Physics, 22.06.2019 12:30
An engine undergoes a cycle as shown in the diagram. during a complete cycle the work done by the gas is 28.5×103 j and the energy transferred thermally out is 99.4×103 j. there are 1.5×1024 gas molecules and they have three active degrees of freedom. 6. (6 pts) during which process(es) is energy transferred thermally into the gas? a. 1→2 b. 2→3 c. 4→1 d. 1→2 and 4→1 e. none of the above
Answers: 3
Physics, 22.06.2019 16:00
What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass
Answers: 1
Physics, 22.06.2019 18:30
Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)
Answers: 2
Physics, 22.06.2019 21:30
Complete the sentence to describe the law of conservation of energy. the law of conservation of energy states that energy cannot be created
Answers: 3
Mathematics, 02.04.2020 22:34
Mathematics, 02.04.2020 22:34
Mathematics, 02.04.2020 22:34
Mathematics, 02.04.2020 22:34
Spanish, 02.04.2020 22:34