3 years ago

True or False: Waves with shorter wavelengths have more energy. False True

Physics

1 answer:

fgiga [73]3 years ago

7 0

False because they all travel at the same rate

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The table shows the diameters of the planets in our solar system. Assume that a basketball whose diameter is 25

tino4ka555 [31]

Answer:

Mercury:

.85

pea

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2.1

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Earth:

2.2

gumball

Mars:

1.2

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Uranus:

grapefruit

Neptune:

8.6

softball

Explanation:

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3 years ago

A child on roller skates pushes off against the wall with a force of 40N. How far must the child push themselves away from the w

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3 years ago

GIVING BRAINLIEST PLEASE HELP!!

alisha [4.7K]

Answer:

c is the right answer is it

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3 years ago

Help me find the word of this definition

Andrej [43]

Answer:

Replication

Explanation:

<em>The process of running multiple trials for each measurement during an experiment and finding the average is referred to as </em><em>replication.</em>

Replication is one of the attributes of good measurements/experiments because it reduces variability and increases the accuracy of the outcome. It also ensures that relevant statistical analysis can be carried out on the data collected via replicative measurements.

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3 years ago

1. You and a friend are spending the weekend making up missed lab experiments. You are on to second semester material and are st

goldenfox [79]

Answer:

D) ¼ as large

Explanation:

The magnitude of the electric force between two charges is

$F=k\frac{q_1 q_2}{r^2}$

where

k is the Coulomb's constant

q1 and q2 are the magnitudes of the two charges

r is the separation between them

From the formula we see that the magnitude of the force is inversely proportional to the square of the distance.

In this problem, the distance is doubled:

$r'=2r$

So the new force will be

$F'=k\frac{q_1 q_2}{(2r)^2}=\frac{1}{4}k\frac{q_1 q_2}{r^2}=\frac{1}{4}F$

So the force will decrease to 1/4 of its original value.

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4 years ago