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Aneli [31]
3 years ago
10

Visible light waves are ______ waves A.mechanical B.electromagnetic

Physics
1 answer:
motikmotik3 years ago
4 0
B.Electromagnetic
explanation:
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andriy [413]

Answer:

c

Explanation:

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2 years ago
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If you pick up and carry a piece of heavy furniture which type of friction do you have with the floor
Phoenix [80]
Sliding Friction hope its right
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3 years ago
Fish are able to acquire the oxygen needed for respiration under water using gills. This is an example of which type of adaptati
stiks02 [169]

Answer:

Structural

Explanation:

Structural adaptations are a change to a organism's body, gills are part of the fish's body which would be why this is a structural adaptation!

Hope this helped! Stay safe have a good day or night!

3 0
3 years ago
A bullet is shot from a rifle with a velocity of 720.0 m/s what time is required for the bullet to strike a target 324.0m to the
Basile [38]

The bullet will strike the target placed in 324.0 m in the East in 0.45 seconds.

<u>Explanation:</u>

As we all know the epic relation between distance, speed and time; we cam easily estimate the time in which an object can reach to the destination or target.

As here in this case, we know the distance of the target and the velocity of a bullet exerted from a rifle given as follows,

Distance of the Target from the rifle edge = 324.0 m

Velocity of bullet exerted from the rifle = 720 m/s

Since we know that,

      \text {velocity}=\frac{\text {distance}}{\text {time}}

or

       \text {Time}=\frac{\text {distance}}{\text {velocity}}

We can simply implement all the values in the formula and get the results i.e the time required by the bullet to hit the target. Since both the values are in S.I units measures, we don't need to change or convert any of them. Hence,

       \text { Time }=\frac{324}{75}=0.45 \text { seconds }

Therefore, the bullet will hit the target in 0.45 seconds.

4 0
3 years ago
I need help on this question, please.
frez [133]

Answer:

|X| = 72 cm

Explanation:

We need to find the magnitude of vector X.

Vector Y = 21 cm

Vector Z = 75 cm

We know that, the magnitude of resultant vector is given by :

Z={X^2+Y^2} \\\\X^2=Z^2-Y^2\\\\X^2=(75)^2-(21)^2\\\\X=72\ cm

So, the value of magnitude of vector X is 72 cm

4 0
3 years ago
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