Solution:
Step wise solution
Let r1 be the distance from the Earth to the point where
the gravitational accelerations are the same and let r2 be the distance
from the Moon to that point.
Then, r1+ r2 = r12 = 383,000 km.
Let Re be the radius of earth
and let Rm be the radius of moon
Let, ge be the gravity of earth
and let gm be the gravity of moon
The fact that the gravitational attractions by the Earth and the Moon
at this point are equal leads to the equation
gE(Re/r1)=gM(Rm/r2)
9.8(6380/r1)=1.62(1738/r12-r1)
(here, Re=6380, gE=9.8m/s^2, gM=1.62m/s^2 and r12=383,000 km
9.8*6380/(1.62*1738)=r1/(383000-r1)
therefore,
r1=344,770 km
Hope this answer wil help you
Answer:
Calculate the distance between the center of the earth and the center of the moon at which the gravitational force exerted by the earth on an object is equal in magnitude to the force exerted by the moon on the object
Explanation:
solution steps
Answer:
B) Electrons and protons
Explanation:
Each proton has a positive charge, and each electron has a negative charge. If the atom is electrically neutral, there must be the same number of electrons and protons.
A) and C) are wrong. Neutrons have no charge, so they can't counteract that of the protons or the electrons.
D) is wrong. The atomic number is the number of protons, and the mass number is the number of protons plus neutrons. The neutrons can't counteract the charge of the protons,
In an electrically neutral atom of any element, the number of electrons equals the number of protons. This balance gives the atom its neutrality. Atomic number and atomic mass do not directly relate to the atom's electrical state.
In an electrically neutral atom of any element, there are equal numbers of electrons and protons. This balance between the negatively charged electrons and positively charged protons ensures the overall electrical neutrality of the atom. Neutrons, which are neutral particles, do not affect electrical neutrality. The atomic number represents the number of protons in an atom while the atomic mass, close to the number of neutrons, is the sum of protons and neutrons.
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According to the law of conservation of energy, the potential energy is converted to kinetic energy. Remember, potential energy is calculated using height and weight. If the ball is on the ground, height is 0.
0.5
2
500
1500
Answer:
2
Explanation:
The mechanical advantage of the machine in the problem is 2. By definition, the mechanical advantage of a machine is equivalent to the ratio of its output force to its input force. Since it applies a force of 1000 N to an object, that is its output. Also, since a 500 N force is applied to the machine, that is its input.
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Answer:
the answer is "2"
Explanation:
the answer is "2" because the formula for mechanical advantage is you divide the distance from the fulcrum, the point at which the lever pivots, to the applied force by the distance from the fulcrum to the resistance force.
2 images attatched below
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charge.
Answer here
Answer:
No
Explanation:
Neutrons do not have a charge. Neutrons are neutral.