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STatiana [176]
3 years ago
11

6. What is the molar mass of H2O?

Physics
1 answer:
kotykmax [81]3 years ago
7 0

Answer:

a) 18.015

Explanation:

I Googled it, hope this helped

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Find h , the maximum height attained by the projectile. express the maximum height in terms of v 0 , θ , and g .
lutik1710 [3]

solution:

the utmost height would be comprehensive while y'(t)=0. (on the suitable of the trajectory, the y speed is 0.)y(t)=(88sin20)t-16t^2 y'(t)=88sin20-32t So y'(t)=0 while t=(88sin20)/32

3 0
3 years ago
An 1,840 W toaster, a 1,460 W electric frying pan, and a 50 W lamp are plugged into the same outlet in a 15 A, 120 V circuit. (T
shutvik [7]

Answer:

Explanation:

Given

Power drawn by toaster P_1=1840\ W

Power drawn by Electric fan P_2=1460\ W

Power drawn by lamp P_3=50\ W

Voltage applied V=120\ V

If appliances are applied in parallel then Voltage applied is same

Power is given by P=\frac{V^2}{R}

Resistance of toaster R_1=\frac{120^2}{1840}=7.82\ \Omega

Resistance of electric Fan R_2=\frac{120^2}{1460}=9.86\ \Omega

Resistance of toaster R_3=\frac{120^2}{50}=288\ \Omega

Current is given by

I=\frac{V}{R}

I_1=\frac{120}{7.82}=15.34\ A

I_2=\frac{120}{9.86}=12.17\ A

I_3=\frac{120}{288}=0.416\ A

7 0
3 years ago
Read 2 more answers
If an electrostatically charged object is placed near other objects what will occur
bazaltina [42]
<span>If an electrostatically charged object is placed near other objects, </span>it would be attracted to objects with an opposite charge.
4 0
3 years ago
How do you draw an ear
Neporo4naja [7]

Answer:

drawing of ear step by step

8 0
3 years ago
The drag force on a falling coffee filter can be modeled as a linear function with respect to velocity, F⃗ D =−bv, where b is a
nordsb [41]

Newton's second law and graphical analysis allow us to find the correct answer for the measure of the constant b is:

    D) Stack several filters to change the mass measure the acceleration of the system.

Newton's second law establishes a relationship between the net force, the mass and the acceleration of the bodies.  

         ∑ F = m a

Where the bold letters indicate vectors, F is the force, m the mass and the acceleration of the body.

They indicate that the drag force on the filters is

         F = - b v

Where b is a positive constant that depends on the shape and area of ​​the filter and v is the speed of the filter.

Let's write Newton's second law.

         W - fr  = ma

         W -bv  = ma

         

In the experiment the students indicate that they can measure the position, velocity and acceleration of the body.

Based on the above, if we place several filter weights and measure their speed and acceleration in each case, we can make a graph of velocity versus acceleration, we can take the value of the constant b from the slope.

Let's analyze the different answers:

A) False. The constant b depends on the shape of the filter therefore it must be kept constant.

B) False. The constant depends on the area, so it must be kept constant.

C) May be. In this case, since we have the terminal velocity, the acceleration is zero, Newton's second law remains.

                    B v - W = 0

                    b = \frac{W}{v}  

The problem with the method is the difficulty of measuring the compression terminal velocity.

D) True. According to the discussion of the velocity versus acceleration. graph, the constant b is equal to the slope of the graph.

E) May be. The problem with this method is finding a reliable value for the terminal velocity.

In conclusion, using Newton's second law and graphical analysis we can find the correct answer for the measure of the constant b is:

 D) Stack several filters to change the mass measure the acceleration of the system.

Learn more here:  brainly.com/question/2441565

6 0
2 years ago
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