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3 years ago

9

A solvent is A. a substance that is dissolved in a solution. B. a substance that causes other substances to enter the plasma pha

se. C. a substance that causes protons to be extracted from the nucleus. D. a substance that dissolves another substance.

1 answer:

Ne4ueva [31]3 years ago

5 0

The answer is D; A substance that dissolves another substance.

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A ball is thrown straight up into the air and passes a window 3 seconds after being released. It passes the same window on its w

melomori [17]

The initial velocity of the ball is 55.125 m/s.

<h3>Initial velocity of the ball</h3>

The initial velocity of the ball is calculated as follows;

During upward motion

h = vi - ¹/₂gt²

h = vi - 0.5(9.8)(3²)

h = vi - 44.1 ----------------- (1)

During downward motion

h = vi + ¹/₂gt²

h = 0 + 0.5(9.8)(1.5)²

h = 11.025 ----------- (2)

solve (1) and (2) together, to determine the initial velocity of the ball

11.025 = vi - 44.1

vi = 11.025 + 44.1

vi = 55.125 m/s

Thus, the initial velocity of the ball is 55.125 m/s.

Learn more about initial velocity here: brainly.com/question/19365526

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2 years ago

An object with more mass has more kinetic energy than an object with less mass, if both objects are moving ____.

suter [353]

An object with more mass has more kinetic energy than an object with less mass, if both objects are moving at the same speed. <em>(c)</em>

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3 years ago

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The Carson family's pancake recipe uses 2 teaspoons of baking powder for every 1/3 of a teaspoon of salt. How much baking powder

melomori [17]

Answer:

6 teaspoons of baking powder required.

Explanation:

Given that

According to the recipe of pancake,

For every $\frac{1}{3}$ teaspoon of salt, 2 teaspoons of baking baking powder is required.

To find:

How much baking powder will be needed, if 1 teaspoon of salt was used ?

Solution:

This problem can be solved using ratio.

$\frac{1}3$ teaspoon of salt : 2 teaspoons of baking powder

Let us multiply the above ratio with 3.

$\frac{1}{3}\times 3$ teaspoon of salt : 2 $\times$ 3 teaspoons of baking powder

OR

1 teaspoon of salt : 6 teaspoons of baking powder

So, answer is <em>6 teaspoons </em>of baking powder required.

Also, we can use the unitary method:

$\frac{1}3$ teaspoon of salt needs = 2 teaspoons of baking powder

1 teaspoon of salt needs = $\frac{2}{\frac{1}3}$ teaspoons of baking powder

1 teaspoon of salt needs = 2 $\times$ 3 = <em>6</em> teaspoons of baking powder needed

So, the answer is:

<em>6 teaspoons of baking powder </em>required.

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What type of wave is energy transmitted and a definite direction in with a definite speed

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A surface wave is a wave in which particles of the medium undergo a circular motion.

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Sea anemones can produce completely new organisms by regeneration. Are these new organisms genetically identical to the parents?

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The offspring would genetically identical to the parents because regeneration is a form of asexual reproduction.

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4 years ago