ΔU = Q + W
- heat in, Q +
- heat out, Q -
- does work , W -
- work in, W +
93-58 = 63 + W
35 = 63 + W
W = - 28 J (does work/being done by system)
To solve this problem we will use the linear motion kinematic equations, for which the change of speed squared with the acceleration and the change of position. The acceleration in this case will be the same given by gravity, so our values would be given as,
Through the aforementioned formula we will have to
The particulate part of the rest, so the final speed would be
Now from Newton's second law we know that
Here,
m = mass
a = acceleration, which can also be written as a function of velocity and time, then
Replacing we have that,
Therefore the force that the water exert on the man is 1386.62
of elements in the same group, those at the bottom of the periodic table have low ionization energies because C. their atomic radius is large
The more mass an object has, the more kinetic energy it has when dropped, due to gravity. ... If the force of impact is too great for the ball to absorb, it may collapse and lose its bounce as the energy is dissipated in a different manner.
An apple about to fall from a tree branch. The apple has a gravitational pull, while having potential energy at the same time.