What is the difference between mass and weight

Answers

Answer 1

Answer: Mass is a property of an object. It doesn't change, no matter where the object is.

Weight is the gravitational force between two objects. It depends on the masses
of both objects, and also on the distance between their centers, so it changes,
depending on the mass of the OTHER object involved, and on the distance
between them.

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If the specific heat of water is 1.0 calorie/gram°C, how many calories are required to raise 500 grams of water 10.0°C? 510 cal 5,000 cal 50 cal 501 cal

Answers

Answer : Heat required, Q = 5000 cal

Explanation :

It is given that,

Specific heat of water, c = 1 calorie/gram °C

Mass of water, m = 500 grams

Change in temperature, $\DeltaT=10\ ^oC$

We have to found the amount of heat required. Mathematically, it can be written as :

$Q=mc\Delta T$

$Q=500* 1* 10$

Q = 5000 cal

So, the correct option is (B) " 5000 cal ".

Hence, this is the required solution.

5000 calories Helps :)

Two hikers are 15 miles apart and walking toward each other. They meet in 2 hours. Find the rate of each hiker if one hiker walks 2.3 mph faster than the other.

Answers

Answer:

1- 2.6 mph

2- 4.9 mph

Explanation:

See attachment

The material in which a wave travels is called ____.a. a medium
c. air
b. water
d. opaque

Answers

The material in which a wave travels is called a medium. Hope this helps!

Hey there the answer is medium

The earth system concept emphasizes which of the following? Question 2 options: how everything on the earth is interconnected how you can study each system in isolation the concept that the earth is round how the earth's systems came about

Answers

The earth system concept emphasizes on how everything on the earth is interconnected. Earth system in terms of four central components known as the subsystems – the hydrosphere,geosphere, atmosphere and biosphere. I hope the answer helps. Thanks!

The height of the Empire State Building is 318.00 meters. If a stone is dropped from the top of the building, what is the stone's velocity just before it strikes the ground?

Answers

This is a free-fall problem. This can be answered using one of the free-fall equations:

V^2 = 2gh or V = √(2gh)

Where V = velocity ; h = total height (given as 318m) ; g = acceleration due to gravity (as this is on Earth, let us use 9.8 m/s^2)

With the given values, we can substitute it into the equation directly like so:

V = √(2gh)
V = √(2 x 9.8 x 318)
V = √(6232.8)
V = 78.94808 or approximately 78.95 m/s

Therefore the stone's velocity just before hitting the ground is 78.95 m/s.

Korey is planning to open a comic book store. In his first year of operation, Korey expects to average $1,000 of profit each month. He then expects profits to increase by 6% each year for the next 4 years. How much does Korey expect to make in profits in his fifth year of operation?

Answers

First year profit: $1000*12 = $12,000
Second year profit: $12,000 * 1.06
Third year profit: $12,000 * 1.06^2
Fourth year profit: $12,000 * 1.06^3
Fith year profit: $12,000 * 1.06^4 =$15,149.72
:

In this exercise we have to use the knowledge of finance to calculate the profits that Korey expect to make is $15,149.72.

So organizing the information given in the statement we find that:

average $1,000 of profit
6% each year for the next 4 years

Doing these calculations we find that:

$1000*12 = $12,000\n12,000 * 1.06^1\n12,000 * 1.06^2\n12,000 * 1.06^3\n12,000 * 1.06^4 =$15,149.72$

See more about fiances at brainly.com/question/10024737

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