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Licemer1 [7]
2 years ago
14

Si un automóvil tiene 1.500 kg de masa y una velocidad de 5 m/s, ¿cuál es la energía cinética de un automóvil?

Mathematics
1 answer:
yarga [219]2 years ago
7 0

Answer:

E = 18750 J

Step-by-step explanation:

The question is "If a car has a mass of 1,500 kg and a speed of 5 m / s, what is the kinetic energy of a car?"

Mass, m = 1500 kg

Speed, v = 5 m/s

We need to find the kinetic energy of the car. The formula for kinetic energy is given by :

K=\dfrac{1}{2}mv^2\\\\K=\dfrac{1}{2}\times 1500\times (5)^2\\\\K=18750\ J

So, 18750 J is the kinetic energy of the car.

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2 3/8 x 1/2 PLEASE ILL GIVE BRAINLIEST
Elena L [17]

Answer:

1 3/16

Step-by-step explanation:

7 0
2 years ago
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An international company has 29,100 employees in one country. If this represents 23.7% of the company's employees, how many empl
WINSTONCH [101]

Answer:

122785 employees.

Step-by-step explanation:

Let the total number of employees be X

Given the following data;

Number of employees = 29100

Percentage = 23.7%

To find the total number of employees;

23.7/100 * X = 29100

Cross-multiplying, we have;

23.7X = 29100 * 100

23.7X = 2910000

X = 2910000/23.7

X = 122784.81 ≈ 122785 employees

6 0
2 years ago
The square of Mark's age 3 years ago is 6 times the age he will be in 9 years. What is his age now?
Lubov Fominskaja [6]

Answer:

Age= 15

Step-by-step explanation:

Let a be for age at the moment

(a-3)^2 =6(a+9)

a^2-6a+9=6a+54

a^2-12a-45

(a-15)(a+3)

a=15 or a=-3

Age cannot be negative (-)

Therefore

Age =15

3 0
3 years ago
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Find the equation of a line that contains the points (3,7) and (-6, 4). Write the equation in slope-intercept form, using
NikAS [45]

Answer:

y=\frac{1}{3} x+6

Step-by-step explanation:

(3,7)(-6,4)

Step 1. Find the slope (by using the slope-formula)

m = slope

m=\frac{y_2-y_1}{x_2-x_1}

m=\frac{4-7}{-6-3}

m=\frac{-3}{-9}

m=\frac{3}{9}

m=\frac{1}{3}

Step 2. Write the equation (using the slope and the points)

Here's how to do it:

Slope-intercept Formula y=mx+b whrere m = slope and b = y-intercept

Plug in the slope into the Slope-intercept Formula

y=\frac{1}{3} x+b

Find the y-intercept (b) by using a point and substituting their x and y values

y=\frac{1}{3} x+b

Point: (3, 7)

7=\frac{1}{3} (3)+b

7=1+b

b=7-1

b=6

Step 3. Write the equation in Slope-intercept form

y=mx+b

y=\frac{1}{3} x+6

3 0
2 years ago
Please help im literally crying i cant fail this please ​
Gennadij [26K]
For the surface area u take the surface and multiply the length by the width which is in this cas 7x4 then multiply, 7x4 is equal to 28.

Hope this helped, tell me if I’m wrong
Brainliest would be nice
Thank you
3 0
2 years ago
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