answer:
the electromagnetic force
explanation:
- the electromagnetic force of attraction between negative electrons and positive protons in the nucleus keeps electrons in the area surrounding the nucleus
- the electromagnetic force of repulsion between positive protons in the nucleus is overcome by the strong nuclear force between protons and neutrons
- credits: online source
Answer:
The mass of the massive object at the center of the Milky Way galaxy is
Explanation:
Given that,
Diameter = 10 light year
Orbital speed = 180 km/s
Suppose determine the mass of the massive object at the center of the Milky Way galaxy.
Take the distance of one light year to be 9.461×10¹⁵ m. I was able to get this it is 4.26×10³⁷ kg.
We need to calculate the radius of the orbit
Using formula of radius
We need to calculate the mass of the massive object at the center of the Milky Way galaxy
Using formula of mass
Put the value into the formula
Hence, The mass of the massive object at the center of the Milky Way galaxy is
Answer:
5.4m/s
Explanation:
Given parameters:
Distance = 43m
Time = 7.9s
Unknown:
Speed = ?
Solution:
Speed is mathematically expressed as;
Speed =
Insert the parameters and solve;
Speed = = 5.4m/s
Answer:
Average force exerted by the water on the blades is 1024 N
Explanation:
As we know that the force due to water jet is given by
here we know that
so here we will have
Average force exerted by the water on the blades is 1024 N
B. elliptical.
The planets move in elliptical orbits round the Sun.