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vladimir1956 [14]
3 years ago
6

You can hear someone around the corner before you can see them due to reflection, diffraction, refraction, or absorption?

Physics
1 answer:
Irina-Kira [14]3 years ago
7 0
The answer to this is reflection, because the sound waves are reflected off of the walls
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Object A has a mass of 100 grams. Object B has a mass of 150 grams. They are both traveling at the same velocity. Which can you
Tanzania [10]
Object B has a greater inertia i think, it has a greater momentum anyway
6 0
3 years ago
What is the change in air pressure a good indicator of a change in temperature be a change in the weather I decrease in humidity
Elza [17]

Answer:

A

Explanation:

warm air rises creating low presure

cold air sinks creating high presure

so this means that temprature is realated to presure.

3 0
3 years ago
The correctly balanced equation for H2O2 → H2O + O2 is
Citrus2011 [14]

Answer:2H2O2 → 2H2O + O2

Explanation:

For a chemical equation to be balanced, the number of moles of each element at the reactant must be equal to that of the product.

According to the equation given

H2O2 → H2O + O2

There are two hydrogen atoms with two oxygen atoms at the reactant and 2hydrogen and 3oxygen at the product which shows the equation is not balanced. To balance this,

We will add 2 moles to H2O2 at the reactant and 2 moles to H2O at the product to give;

2H2O2 → 2H2O + O2 (Balanced equation)

As we can see that we now have 4 moles of Hydrogen and 4 moles of oxygen at both reactant and product making the equation balanced.

8 0
3 years ago
A box of groceries requires 5.0 newtons of force to lift it up 1.0 meter. How much work is done?
tigry1 [53]
Work is defined as the amount of force done multiplied by the distance it was applied. Since it is already given that the object of interest (a box of groceries) was lifted up 1 meter by a force of 5 newtons, work done can be solved using the following formula:

Work = Force * distance
Work = 5 N * 1 meter
Work = 5 N*m = 5 J
8 0
4 years ago
Pls help !!!!!!!!!!!!!!!!!!!!!!!!!!!!
Anna11 [10]

Answer:

B. Identifying the types of data to be gathered

Explanation:

Identifying the types of data to be gathered is one of the part of designing a set of experimental procedure.

An experimental procedure is a methodical process that must be followed in order to attain the goal of the experiment.

  • As with most experiments, data is collected for further analysis and interpretation.
  • The choice of way of collecting data and the type of data to be collected is very important when designing an experiment.
4 0
3 years ago
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