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2 years ago

Newton discovered that the colors formed by a prism can be recombined to

Physics

1 answer:

Ulleksa [173]2 years ago

3 0

Newton discovered that the colors formed by a prism can be recombined to create white light

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Can someone help me?

Leviafan [203]

Car X traveled 3d distance in t time. Car Y traveled 2d distance in t time. Therefore, the speed of car X, is 3d/t, the speed of car Y, is 2d/t. Since speed is the distance taken in a given time.

In figure-2, they are at the same place, we are asked to find car Y's position when car X is at line-A. We can calculate the time car X needs to travel to there. Let's say that car X reaches line-A in t' time.

$V_x .t' = 3d\\ \frac{3d}{t} .t' = 3d\\ t'=t$

Okay, it takes t time for car X to reach line-A. Let's see how far does car Y goes.

$V_y.t = \frac{2d}{t} .t = 2d$

We found that car Y travels 2d distance. So, when car X reaches line-A, car Y is just a d distance behind car X.

4 0

2 years ago

Jasmine is late to science class and misses the very beginning of notes for the day. These are Jasmine’s notes: –Round objects t

SpyIntel [72]

Answer:

Explanation:

8 0

2 years ago

Read 2 more answers

What force always attracts objects to each other ?

scoray [572]

I'm pretty your it's magnetism though. Like magnets

4 0

2 years ago

A vertical piston-cylinder device contains water and is being heated on top of a range. During the process, 63 Btu of heat is tr

jolli1 [7]

Answer:

The water would have a change in the energy of 50 BTU

Explanation:

Under the assumption that the piston-cylinder system is a closed system, then the conservation law of the system would be: $E_{in}-E_{out}=E_{change}$ , where $E_{in}$ is all the energy that goes into the system, $E_{out}$ is all the energy that leaves the system and, $E_{change}$ is the change of the energy of the system.
For this case the energy that is feeded to the system is heat: 63 BTU.
There is two ways that energy is leaving this system: 8 BTU of heat as losses through the side walls and, 5 BTU of work done by the vapor on the piston.
Then the change of energy of the system is: $E_{change}=E_{in}-E_{out}=63 BTU-(8BTU+5BTU)=50BTU$ .

6 0

2 years ago

Why is it wrong to say a single object all alone is moving

Nuetrik [128]

Answer:

It is wrong to say that "a single object all alone is moving" simply because it goes against Newton's law of inertia.

Explanation:

From Newton's law of inertia, it states that: An object at rest or in constant motion will continue in it's present state unless it is acted upon by an external force.

Which means that a single object by itself cannot move anywhere unless it is acted upon by an external force..

Thus, it is wrong to say that "a single object all alone is moving" simply because it goes against Newton's law of inertia.

7 0

2 years ago