Physics, 01.08.2019 08:30 wiljoystoltz253
1. an element's atomic number is the a. sum of the protons and neutrons in an atom. b. number of protons in an atom's nucleus. c. mass of the atom. d. weight of the atom.
Answers: 1
Physics, 22.06.2019 16:40
On your wedding day your lover gives you a gold ring of mass 3.67 g. 48 years later its mass is 3.44 g. on the average how many atoms were abrated from the ring during each second of your marriage? the atomic mass of gold is 197 u. don't enter units
Answers: 1
Physics, 22.06.2019 18:00
The protons in a nucleus are approximately 2 β 10^β15 m apart. consider the case where the protons are a distance d = 1.93 β 10^β15 m apart. calculate the magnitude of the electric force (in n) between two protons at this distance.
Answers: 1
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 Β° angle with the vertical, what is the net charge on the ball?
Answers: 1
Physics, 23.06.2019 07:00
The doctor lands his tardis on a planet whose radius is 1.2x10^7m the acceleration due to gravity is 18m/s^2. what is the mass of the planet
Answers: 1
1. an element's atomic number is the a. sum of the protons and neutrons in an atom. b. number of pro...
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