In the above lightwave the property labeled a determines which characteristic of visible light

Answers

Answer 1

Answer: The light must be either very dim or else non-existent.
We can't see the light wave or the label.

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an object at rest starts accelerating if it travels 30 meters to end up going 10 m/s what was it’s acceleration

Answers

First we have to calculate the time taken to travel the distance 30 m, is

$t = (distance)/(velocity) = (30 \ m)/(10 \ m/s ) = 3 \ s$ .

Now from equation of motion,

$v = u + at$

Given, $v = 10 \ m/s$ .

As object starts from rest, so u = 0.

Substituting these values in above equation, we get

$10 \ m/s = 0 + a * 3 \ s \n\n a = (10)/(3) = 3.33 \ m/s^2$ .

Thus, the acceleration is $3.33 \ m/s^2$

What causes rocks to change composition when reacting with oxygen?
Please help!!

Answers

Acid reactions and oxidation

A horse runs around a circular track that is 350.0 m long. He runs clockwise fromthe start line back to the start line, then turns back and goes counterclockwise back
to the start line again. What is the horses displacement?

A. 0 m
B. 300.0 m counterclockwise
C. 300.0 m counterclockwise
D. 600.0 m

Answers

Answer:

A 0m

Explanation:

The horse runs clockwise round the strack, then goes back to the start line ending up back at the same place when it started.

A. 0

As the horse goes back to the same “start line”.

How does an electric motor work

Answers

AC motors work a slightly different way: they pass alternating current through opposing pairs of magnets to create a rotating magnetic field, which "induces" (creates) a magnetic field in the motor's rotor, causing it to spin around. You can read more about this in our article on AC induction motors.

When is a shadow at its shortest

Answers

Hi there! When a shadow is at its shortest is at noon when the sun is overhead.

When the sun is overhead around noon time

Somebody please help me my grade depends on it

Answers

Answer: Hope this helps!

Explanation:

a rock formed from particles that are deposited and lithified are sedimentary.

rocks formed from cooling and hardening magma or lava is igneous.

a rock formed when an already existing rock is subjected to extreme heat and pressure is metamorphic.

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