Sometimes, you can play sport for a longer time than you should. You should always stop and take a little break and always drink water. Also, if something starts to hurt, stop, let someone responsible know and take a break.
Answer:
the size, length, or amount of something, as established by measuring.
Explanation:
Answer:
(a) 
(b)
Explanation:
Given that , the power of the laser beam is,

and time is given is,

Now the energy formula for the laser beam is,

Now,
(a) The value of energy is given,

Now the no of photons's fraction fluctuation is,

Therefore the no of photons is
.
(b)The value of energy is given,

Now the no of photons's fraction fluctuation is,

Therefore the no of photons is
.
<span>Each colour is represented by a different wavelength frequency. It's part of the electromagnetic spectrum that's visible by us.</span>
Answer:
When a heavy football player and a light one run into each other, does the lighter player really exert as much force on the heavy player s the heavy player exerts on the light one. Yes. The interaction between the two players, the force each exerts on the other have equal strength.