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Degger [83]
3 years ago
15

The formula to determine energy is e=1/2mv^2. what is the formula solved for v?

Mathematics
1 answer:
DanielleElmas [232]3 years ago
3 0
Just rearrange for v here, 
e = 1/2 mv²
2e = mv²
v² = 2e / m
v = √(2e/m)

Hope this helps!
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Plz help i need it quick!!! simplify
ale4655 [162]

Answer:im not sure sorry

Step-by-step explanation:

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3 years ago
Evaluate expressions-What should go in the blank spot
gladu [14]

Answer:

10

Step-by-step explanation:

0.08 {x}^{3}

0.08( {5)}^{2}

0.08 \times 125

10

<h3>Hope it is helpful...</h3>
4 0
3 years ago
The town of Haverford just bought land to make a new park. The land is in the shape of a rectangle that is 2/3 of a mile wide an
frosja888 [35]

Answer:

B.

Step-by-step explanation:

6 0
3 years ago
Julio started biking to the park traveling 8 mph, after some time the bike got a flat so Julio walked the rest of the way, trave
USPshnik [31]

Answer:

Julio travel <u>3 hours</u> by biking and <u>4 hours</u> by walking.

Step-by-step explanation:

Given:

Julio started biking to the park traveling 8 mph, after some time the bike got a flat so Julio walked the rest of the way, traveling 7 mph.

If the total trip to the park took 7 hours and it was 52 miles away.

Now, to find the time Julio travel at each speed.

The speed travelled by the bike = 8 mph.

The speed travelled by the walking = 7 mph.

Let the time Julio travel with bike be x.

And the time Julio travel by walking be y.

As, given Julio started biking to the park traveling, after some time the bike got a flat so Julio walked the rest of the way,

Thus, the total time taken:

x+y=7

y=7-x\ \ \ .......(1)

So, the distance travelled by bike:

Speed × time

8\times x=8x

And, the distance travelled by walking:

Speed × time

7\times y=7y

Now, the total distance travelled by Julio:

8x+7y=52

Substituting the value of x from equation (1) we get:

8x+7(7-x)=52

8x+49-7x=52\\\\x+49=52

<em>Subtracting both sides by 49 we get:</em>

x=3.

<em>The time Julio travelled with bike = 3 hours.</em>

Now, to get the time Julio travelled by walking by substituting the value of x:

y=7-x\\\\y=7-3\\\\y=4\ hours.

<em>The time Julio travelled by walking = 4 hours.</em>

Therefore, Julio travel 3 hours by biking and 4 hours by walking.

7 0
3 years ago
A bag of oranges weighs 5 1/4 pounds. How much does 1 1/2 bags weigh?
Andreyy89

Answer:

you simplify the fractions then you cross multiply

Step-by-step explanation:

1/2 * 4/2 you multiply 1 and 4 and you get 4/4 which is equal to 1  

3 0
3 years ago
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