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ira [324]
3 years ago
12

A change in position with respect to a reference point is called?

Physics
1 answer:
kumpel [21]3 years ago
4 0
A change in position with respect to a reference point is called motion

hope it helps...
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A grapefruit has a weight on earth of 4.9 newtons. what is the grapefruit's mass?
abruzzese [7]
The force of gravity is the force with which massively large objects such as the earth attracts another object towards itself. All objects of the earth exert a gravity that is directed towards the center of the earth. Therefore, the force of gravity of the earth is equal to the mass of the object times acceleration due to gravity.  

F = ma
4.9N = m (9.8 m/s^2), note that N (newtons) = kg-m/s^2
<u>m = 0.5 kg</u>
<u>The mass of the object is 0.5kg.</u>
7 0
3 years ago
Does Pepsi have more carbonation than coke
horsena [70]
Coke has more fizz than Pepsi, because Coke has more carbonation in it. Pepsi contains more sugar (2 more tablespoons) than Coke, so it tastes slightly sweeter to many people.
6 0
4 years ago
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Sue played four games of golf the modal score was 98 and the mean 100 and the range 10 What were the scores for the games
Lyrx [107]

Answer:

Explanation:

Let the highest and lowest score be a and b respectively .

a - b = 10

a = 10 + b

The numbers in descending order are a , 98 , 98 , b .

mean = 100 , so

4 x 100 = a + 98 + 98 + b = 10 + b  + 98 + 98 + b = 206 + 2b

400 = 206 + 2b

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So the scores were as follows

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7 0
3 years ago
Find the force exerted by each rope in the sign below
mixas84 [53]

Answer: Example 1: Consider a crate being pulled along a frictionless floor (while such a floor is very hard to find, this will still help us understand the concept and we can return to this situation later, after considering friction, and solve it more realistically).

Consider a crate being pulled along a horizontal, frictionless floor. A rope is tied around it and a man pulls on the rope with a force of T. T is the tension in the rope. What happens to the crate?

Before we can apply Newton's Second Law,

F = m a

we must find the net force -- the vector sum of all the forces -- acting on the object. In addition to the force T exerted by the rope, what other forces act on the object?

As discussed in class, in Mechanics, we can restrict our attention to "contact" forces and "gravity". That means gravity pulls down on this crate with a force equal to its weight, w. But the floor supports the crate. The floor responds by pushing up on the crate with a force we call the normal force. "Normal" means "perpendicular". We will call this force n; you may also encounter it labeled N or FN.

Explanation:

4 0
3 years ago
Which of the following is true for balancing equations? A. There must be an equal number of atoms of each element on both sides
Zielflug [23.3K]
<h3><u>Answer</u>;</h3>

A. There must be an equal number of atoms of each element on both sides of the equation.

<h3><u>Explanation;</u></h3>
  • Chemical equations need to be balanced in order to satisfy the law of conservation of matter, which states that in a closed system matter is neither created nor destroyed.
  • The number of atoms of each element should be equal on either side of the equation, that is the reactants and product side.
3 0
3 years ago
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