Answer:
It is not a property of light. It is your eyes and brain.
Specifically, the three kinds of cone cells in our eye that are sensitive to different ranges of the electromagnetic spectrum. The fact that there are three means that color is three dimensional, and is the reason the pure colors form a circle even though the spectrum of wavelengths is linear.
Visible light is part of the electromagnetic spectrum; light waves of different frequencies and wavelengths are distinguished as colors by the human eye. A prism can separate the colors of white light (dispersion) because different frequencies of light have different refractive indices for a given material.
|Momentum| = (mass) x (speed)
225 kg-m/s =(50kg) x (speed)
Divide each side by (50kg): Speed=(225 kg-m/s) / (50 kg) = 4.5 m/s .
Regarding the velocity, nothing can be said other than the speed, because
we have no information regarding the direction of the object's motion.
They give off a particle to become stable.
C. The downward component of the projectile's velocity continually increases
Explanation:
The motion of a projectile consists of two independent motions:
- A uniform motion (with constant velocity) along the horizontal direction
- A uniformly accelerated motion, with constant acceleration (equal to the acceleration of gravity) in the downward direction
Here we want to study the downward component of the projectile's velocity. Since the vertical motion is a uniformly accelerated motion, the vertical velocity is given by:
![v=u+at](https://tex.z-dn.net/?f=v%3Du%2Bat)
where
u = 0 is the initial vertical velocity (zero since the projectile is fired horizontally)
downward is the acceleration of gravity
t is the time
So the equation becomes
![v=gt](https://tex.z-dn.net/?f=v%3Dgt)
This means that
C. The downward component of the projectile's velocity continually increases
Because every second, it increases by
in the downward direction.
Learn more about projectile motion:
brainly.com/question/8751410
#LearnwithBrainly
Answer:
The appropriate response is "
". A further explanation is described below.
Explanation:
The torque (
) produced by the force on the dam will be:
⇒ ![d \tau=XdF](https://tex.z-dn.net/?f=d%20%5Ctau%3DXdF)
On applying integration both sides, we get
⇒ ![\tau = \int_{0}^{a}x pgL(h-x)dx](https://tex.z-dn.net/?f=%5Ctau%20%3D%20%5Cint_%7B0%7D%5E%7Ba%7Dx%20pgL%28h-x%29dx)
⇒ ![= pgL\int_{0}^{h}(h-x)dx](https://tex.z-dn.net/?f=%3D%20pgL%5Cint_%7B0%7D%5E%7Bh%7D%28h-x%29dx)
⇒ ![=pgL[\frac{h^3}{2} -\frac{h^3}{3} ]](https://tex.z-dn.net/?f=%3DpgL%5B%5Cfrac%7Bh%5E3%7D%7B2%7D%20-%5Cfrac%7Bh%5E3%7D%7B3%7D%20%5D)
⇒ ![=\frac{1}{6} PgLh^3](https://tex.z-dn.net/?f=%3D%5Cfrac%7B1%7D%7B6%7D%20PgLh%5E3)