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liraira [26]
3 years ago
13

Why do you think the acceleration due to gravity is represented by a negative number? 20 points

Biology
2 answers:
BigorU [14]3 years ago
8 0
When you drop a ball, it is dropped DOWNWARDS so the number is represented by a negative number. If you toss the ball up it will be a positive number.  

To answer your question: 
When an object is dropped downwards there will be a negative number since the object is falling downwards.  
Simora [160]3 years ago
5 0
The energy required to break the bonds of reactant molecules<span>
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Please help I’ll give brainliest
BaLLatris [955]

Answer:

2,8,8

Explanation:

the first shell only contains 2 and the other shells contain 8

4 0
3 years ago
An object with a kinetic energy of 200 J and Potential energy of 300 J, has a mechanical energy of what?
True [87]

Answer:

500 J

Explanation:

Emechanical=U+K,i.e., the mechanical energy Emechanical is the sum of the potential energy U and kinetic energy K.

So, the object has a mechanical energy of 200+300=500 J.

4 0
3 years ago
Waves of force that travel through Earth as a result of an earthquake are called
SIZIF [17.4K]
The answer is tectonic waves. Tectonic referring to the plates that create earths surface. 
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4 years ago
Which of the following BEST represents competition among organisms?
Black_prince [1.1K]

Answer:

B

Explanation:

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3 years ago
Can someone help me describe these rocks pls
Anna11 [10]
They are all rock with different size and shapes and are located in different areas possibly in the same areas but they all have there own unique textures from the photographs and 3 of them look like maybe a fossil of some type of when the dinosaurs where still around and the rocks on the top left corner look smooth and are a small type of igneous rocks. That have been soothed over the years.
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