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Yuki888 [10]
3 years ago
13

E = MV^2 ÷ 2 + mgh, Make V Subject of the formula​

Mathematics
1 answer:
Stels [109]3 years ago
4 0

Answer:

\red{ \bold{ V = \sqrt{\frac{2(E - mgh)}{M}}}}

Step-by-step explanation:

E = MV^2 ÷ 2 + mgh \\  \\ E - mgh = MV^2 ÷ 2  \\  \\  2(E - mgh)= MV^2   \\  \\  \frac{2(E - mgh)}{M}=V^2  \\  \\  \sqrt{\frac{2(E - mgh)}{M}}  = V \\  \\ \red{ \bold{ V = \sqrt{\frac{2(E - mgh)}{M}}}}

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HELPPPP PLZZ ND THANK YOU SOO MUCH
swat32

Answer:

50, 40, 30, 250, 350

Step-by-step explanation:

1/2 = 0.5, 0.5 x 100 = <u>50</u> (0.5 -> 5 -> 50)

2/5 = 0.4 (10 / 5 [the denominator] = 2, 0.2 x 2 [the numerator] = 0.4), 0.4 x 100 = <u>40</u> (0.4 -> 4 -> 40)

3/10 = (10 / 10 [the denominator] = 1, 0.1 x 3 [the numerator] = 0.3), 0.3 x 100 = <u>30</u> (0.3 -> 3 -> 30)

5/2 = 2.5 (2 1/2), 2.5 x 100 = <u>250</u> (2.5 -> 25 -> 250)

7/2 = 3.5 (3 1/2), 3.5 x 100 = <u>350</u> (3.5 -> 35 -> 350)

Note: I'm not sure if I understand the question completely, but I changed the fraction into a decimal and multiplied it by 100. Not sure what it means by "<u><em>Divide</em></u><em> fraction</em>".

3 0
2 years ago
Chaz's new game room is shaped like a cube. It measures 15 feet across. If he wants to paint only the walls of the room, what is
dezoksy [38]

<u>The surface area of the region he will paint is 900 sq.ft.</u>

<u>Step-by-step explanation:</u>

Cubical room measures - 15 ft

Chaz want  to paint only the walls of room

Surface of painting region means Lateral surface area (excluding top and bottom)

Lateral surface area of cube = 4a^2      

 ⇒ 4 * 15 *15

 ⇒  900 sq.ft

<u>   The surface area of the region he will paint is 900 sq.ft.</u>

5 0
2 years ago
Crisps <br> normal price £1.43 <br> three for the price of two<br> what is the total of 6 packets
Anettt [7]

Answer:

3 packs equal the price of two, therefore 1.43•2= 2.86

and 6 packs equal the price of 4, so 2.86•2= 5.72

7 0
2 years ago
PLZ HELP!!!!!!!
NeTakaya

Hi,

All I know is that it will be 2 units but I do not know weather or not it will be a or b.

Answered by Britton have a nice day:)

6 0
2 years ago
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Can anyone help!?! I don’t understand the distance formula. Can someone pls explain it?
Jobisdone [24]
Explain what? ........
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3 years ago
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