Answer:
eight
Explanation:
it's atomic number is 8 which mean that an oxygen atom has eight protons in it's nucleus
Answer:
resultant vector
the answer is the resultant vector
answers:
m2 = 1.05 kg and m1 = 4.75 kg
Explanation:
the gravitational force is given by:
Fg = Gm1×m2/(r^2)
9.20×10^-9 = [(6.67×10^-11)×(m1×m2)]/[(19×10-2)^2]
(m1×m2) = 4.98 kg^2
m1 = 4.98/m2 kg
but we given that:
m1 + m2 = 5.80 kg
4.98/m2 + m2 = 5.80
4.98 + (m2)^2 = 5.80×m2
(m2)^2 - 5.80×m2 + 4.98 = 0
by solving the quadratic equation above:
m2 = 4.75 kg or m2 = 1.05 kg
due to that from the information, m2 has a lighter mass, then m2 = 1.05 kg.
then m1 = 5.80 - 1.05 = 4.75 kg.
Answer:
Explanation:
My perdiction was correct. I predicted in Part A that the Kinetic Energy would increase. In Part B I predicted that the potential energy would decrease due to the kinetic energy increasing.
Answer:
Explanation:
Satellites experiment a force given by Newton's Gravitation Law:
where M is Earth's mass, m the satellite's mass, r the distance between their gravitational centers and G the gravitational constant.
We also know from Newton's 2nd Law that <em>F=ma, </em>so putting both together we will have:
If we are on the surface of the Earth, the acceleration would be g and (Earth's radius):
Which we will write as:
If we are on orbit the acceleration is centripetal (), so we have:
And if this orbit has a radius we have: