Answer: 10.5 kJ
Explanation:
In order to be able to solve this problem, you will need to know the value of water's specific heat, which is listed as
c
=
4.18
J
g
∘
C
Answer:
gravitational force and outward pressure
Explanation:
The stars are very massive stellar objects, so they have a strong gravitational force, which drives the star to contract itself, but also in stars there are nuclear reactions such as fusion of hydrogen and other elements, that releases energy and creates a pressure from the center to the star exterior, an outward pressure that goes against the gravitational force. So when a star is stable these two forces exist in equilibrium or in balance, in which the star does not collapse by gravity or disintegrate by its outward pressure.
Force=mass*acceleration
F=ma
20=2.8a
a=20/2.8
a=7.14 m/s^2
Answer:
C.....im just typing more now because of the rule that it has to be 20 characters long
