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earnstyle [38]
3 years ago
11

Which two types of potential energies would be types of mechanical energies?

Mathematics
2 answers:
forsale [732]3 years ago
5 0

Answer:

D

Step-by-step explanation:

lisov135 [29]3 years ago
4 0

Answer:

D) elastic and gravitational

Step-by-step explanation:4.elastic and gravitational

Mechanical energy can be either kinetic energy (energy of motion) or potential energy (stored energy of position).

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Help me on this question
NeX [460]

Answer:

x = 18

Step-by-step explanation:

Vertically Opposite Angles are equal..

so,

x + 54 = 4x \\ 54 = 4x - x \\ 54 = 3x \\  \frac{54}{3} =    \frac{3x}{3}  \\ 18  = x

4 0
3 years ago
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Set up and solve the following using dimensional analysis.
Softa [21]
1).  Multiply (5400 inches) by (1 foot / 12 inch) then by (1 mile / 5280 foot).

      (See explanation at the bottom)

         =      (5400 inch) x (1 foot / 12 inch) x (1 mile / 5280 foot)

         =      (5400 x 1 x 1 / 12 x 5280)  (inch - foot - mile / inch - foot) 

         =          0.0852  mile  


2).  Multiply (16 week) by (7 day/week) then by (24 hour/day)
       then by (60 minute/hour) then by (60 sec/minute).

3).  Multiply (54 yards) by (3 foot/yard) then by (1 meter/3.28 foot)
       and then by (1000 mm/meter)

4).  Multiply (36 cm/second) by (3600 second/hour) then by (1 meter/100 cm)
      then by (1 mile/1609.3 meter).

5).  Look up how many grams in a pound  ('P')
       Look up how many mL in a gallon       ('G')

      Multiply (1.09 g/mL) by ( 1 pound/ P gram) then by (1 gallon/ G mL)

6).  Multiply (32 foot/sec) by (1 meter / 3.28 foot) then by (60 sec/minute).


Each time I told you to multiply by something, it was always a fraction
where the numerator and denominator are equal, like (60 seconds/minute)
or (1 foot / 12 inch).  Since the top and bottom of the fraction are equal, the
value of the fraction is ' 1 ' , and multiplying by it doesn't change the value,
it only changes the units ... that's what this whole exercise is about.
When you multiply, KEEP the units in the product, and then, after you multiply, you can 'cancel' units out of the top and bottom of the product.
Like if you have 'feet' on top and bottom, just cross them out.  When you're done, if you did it correctly, the last unit you end up with will be the one you want.      
4 0
3 years ago
Какая фигура имеет ось симметрии и центр симетрий​
Zigmanuir [339]

Answer:

Проведите линию через форму, чтобы каждая сторона была зеркальным отражением. Когда фигура складывается пополам по оси симметрии, две половинки совпадают. На этой фотографии белая линия по центру представляет собой вертикальную ось симметрии.

Step-by-step explanation:

5 0
3 years ago
Draw a dot plot for the set of data.<br><br> 2, 5, 0, 1, 3, 2, 0, 2, 4, 3, 1, 3, 4, 2, 0
GREYUIT [131]
The answer would be the first one that starts with 3 zeros and 2 ones
5 0
3 years ago
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you had $22 to spend on three pretzels. After buying them you had $15.70.How much did each pretzel cost?
Julli [10]

Answer:

Each pretzel had cost $6.30

Step-by-step explanation:

You would have to subtract 22.00 - 15.70 and that would be your answer ($6.30)

5 0
3 years ago
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