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Lubov Fominskaja [6]
3 years ago
8

A 50. kg remote control car is accelerating on a flat road, and the free body diagram for the car is shown below. If the force o

f acceleration (to the right) is 800. N and the force of drag (to the left) is 200. N, what is the acceleration of the car?
Mathematics
1 answer:
goldfiish [28.3K]3 years ago
4 0

Answer:

12 m/s²

Step-by-step explanation:

mass of the car = 50 kg

The net force applied to the car is 800 - 200 = 600 N

Form the Newton's second law:

F = m*a

where F is the net force applied to the object, m is the mass of the object, and a is the acceleration of the object.

Then, the acceleration of the car (in m/s²) is:

a = F/m

a = 600/50

a = 12 m/s²

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Find the value of x<br> in the figure below
AlexFokin [52]

Answer:

x = 29

Step-by-step explanation:

I think this because they give you 78 degrees. The angle across from it (3x - 9) must equal 78 degrees as well. So solve as (3x - 9) = 78. 78 + 9 is 87. 87 divided by 3 is 29.

Hope it helps and is correct!

6 0
2 years ago
Which is an example of a statistical question?
Vikki [24]
Hey there, Damonealy!

The correct answer should be D since you are talking about multiple amount of data. As you can see, question number 1-3 are talking about the age of a single person but question D is talking about the ages of multiple students which can be used in a statistic.

Thank you for using Brainly.
See you soon!
5 0
2 years ago
Read 2 more answers
solve the following proportion for X (PICURE) (GIVING BRAINLEST TO CORRECT/BEST ANSWER) round to the nearest tenth.​
densk [106]

Answer:

I just answer this

x = 4,235294118

Step-by-step explanation:

7 0
3 years ago
Determine if the segment lengths form a triangle. If so, would the triangle be acute, right, or obtuse? 4.1, 8.2, 12.2
goldfiish [28.3K]
Three line segments can form a triangle if the length of the longest segment is greater than the sum of the lengths of the shorter segments.

 4.1 + 8.2 \ \textgreater \  12.2 \\&#10;12.3 \ \textgreater \  12.2 \\&#10;true
They can form a triangle.

Now if c is the length of the longest side and a and b are the lengths of the shorter sides, then:
- if c^2=a^2+b^2, the triangle is right
- if c^2\ \textless \ a^2+b^2, the triangle is acute
- if c^2\ \textgreater \ a^2+b^2, the triangle is obtuse

4.1^2+8.2^2=16.81+67.24=84.05 \\&#10;12.2^2=148.84 \\ \\&#10;148.84\ \textgreater \ 84.05
The triangle is obtuse.

The answer is D.
4 0
3 years ago
Please help (click to veiw photo)
Colt1911 [192]
First, enter the variables into the expression. 
\frac{1}{3} ^{2} -  \frac{-6^2 }{2/3} 
Square 1/3 and -6 to get this: 
\frac{1}{9} -  \frac{36}{2/3}
Divide 36 by 2/3: 
\frac{1}{9} - 54
Subtract 54 from1/9 to get the final answer: 
-53 \frac{8}{9}, which is option D. 
Hope this helps!
7 0
3 years ago
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