Physics, 19.08.2021 01:00 noodleboy0923
Which statement best explains why hydrogen’s atomic number is equal to its mass?(1 point)
Hydrogen does not have any neutrons.
Hydrogen is in the first row and the first column of the periodic table.
Hydrogen has one electron and one proton.
Hydrogen is stable, with two electrons in its outer shell.
Answers: 2
Physics, 21.06.2019 15:40
Arock is dropped from a cliff and reaches the ground in 2.70s. at the same time another rock is thrown horizontally from the same height with initial x velocity of 0.95 m/s. what distance will in x will the second rock cover?
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Physics, 22.06.2019 03:00
Isla’s change in velocity is 30 m/s, and hazel has the same change in velocity. which best explains why they would have different accelerations? isla had negative acceleration, and hazel had positive. isla had a different time than hazel. isla had positive acceleration, and hazel had negative. isla went a farther distance than hazel.
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Physics, 22.06.2019 18:30
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 ° angle with the vertical, what is the net charge on the ball?
Answers: 1
Which statement best explains why hydrogen’s atomic number is equal to its mass?(1 point)
Hydrogen...
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