Explanation:
Let us assume that the mass of a pitched ball is 0.145 kg.
Initial velocity of the pitched ball, u = 47.5 m/s
Final speed of the ball, v = -51.5 m/s (in opposite direction)
We need to find the magnitude of the change in momentum of the ball and the impulse applied to it by the bat. The change in momentum of the ball is given by :

So, the magnitude of the change in momentum of the ball is 14.355 kg-m/s.
Let the the ball remains in contact with the bat for 2.00 ms. The impulse is given by :

Hence, this is the required solution.
Answer:
The correct option is;
The star is moving toward Earth.
Explanation:
The shifting of the wavelength of light wave toward the blue end of the electromagnetic spectrum is termed blue shift.
A blue-shift of an electromagnetic wave corresponds to the wavelength decrease of the wave, which is equivalent increase in energy, resulting in an increase in the observed frequency of the wave.
Astronomers make use of the shifting of the wavelength of a wave to understand the relative motion of galaxies.
The wavelength of an approaching electromagnetic ave shifts towards the blue end of the electromagnetic spectrum because the wavelength is shorter.
The opposite of phenomenon is red-shift.
The most likely answer that you'd get for this would be the third option which is to raise the potential of electrons.
As we all know, batteries are a source of power. By power, it means that it gives the needed energy for something to work, from toys to electrical appliances. Batteries have also different shapes and sizes, depending on what its purpose is, for what it is to be used, and as to how much power it holds. The energy that it stores is chemical energy and electrochemical cells would convert this energy to an electrical energy when a circuit is complete. Thus, it is used to raise the potential of electrons which would then form to an electric current sufficient enough to power the device it is attached on.
Glaciers slow moving enormous masses knocking out great chunks of rock.
wind faster moving, more like sandpaper (sand storms in deserts ?)