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seraphim [82]
3 years ago
9

Which situation is an example of increasing potential energy? Question 4 options: A. a cat jumping from a tree B. pulling a wago

n uphill B. a bicyclist stopping at a stop sign C.\emptying a bucket of water
Physics
2 answers:
enyata [817]3 years ago
5 0
The answer to this  is a
jeka943 years ago
4 0
Pulling an wagon uphill I believe.
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Help me <img src="https://tex.z-dn.net/?f=%5Chuge%5Cmathcal%5Cred%7B%7D" id="TexFormula1" title="\huge\mathcal\red{}" alt="\huge
elixir [45]

Answer:

<em>1</em><em>)</em><em> </em><em>P</em><em>late</em><em> </em><em>tectonic</em><em> </em><em>theory</em>

<em>2</em><em>)</em><em> </em><em>Lithospheric</em>

<em>3</em><em>)</em><em> </em><em>Plates</em>

<em>4</em><em>)</em><em> </em><em>Heat</em>

<em>5</em><em>)</em><em> </em><em>Less</em><em> </em><em>dense</em>

<em>6</em><em>)</em><em> </em><em>Conventional current</em>

<em>7</em><em>)</em><em> </em><em>Magma</em>

<em>8</em><em>)</em><em> </em><em>Ocean</em><em> </em><em>crust</em>

<em>9</em><em>)</em><em> </em><em>Slowly</em>

<em>10</em><em>)</em><em> </em><em>Drifting</em><em> </em><em>away</em><em> </em>

8 0
2 years ago
1 kg ball rolls off a 33 m high cliff, and lands 23 m from the base of the cliff. Express the displacement and the gravitational
enyata [817]

Answer:

d = <23, 33, 0> m ,    F_W = <0, -9.8, 0> ,   W = -323.4 J

Explanation:

We can solve this exercise using projectile launch ratios, for the x-axis the displacement is

         x = vox t

Y Axis  

         y = v_{oy} t - ½ g t²

It's displacement is

      d = x i ^ + y j ^ + z k ^

Substituting

      d = (23 i ^ + 33 j ^ + 0) m

Using your notation

   d = <23, 33, 0> m

The force of gravity is the weight of the body

         W = m g

        W = 1  9.8 = 9.8 N

In vector notation, in general the upward direction is positive

         W = (0 i ^  - 9.8 j ^ + 0K ^) N

         W = <0, -9.8, 0>

Work is defined

           W = F. dy

             W = F dy cos θ

In this case the force of gravity points downwards and the displacement points upwards, so the angle between the two is 180º

          Cos 180 = -1

           W = -F y

           W = - 9.8 (33-0)

           W = -323.4 J

6 0
3 years ago
What is a precipitate?
Lunna [17]
Rain is considered a precipitate. Along with: drizzle, sleet, snow and hail.

hope this helps :)

7 0
3 years ago
Read 2 more answers
8. An airplane is flying at 200 m/s when it touches the ground at the airport. It has a constant negative acceleration, and slow
Temka [501]

Answer:

Explanation:

Given

Initial velocity u = 200m/s

Final velocity = 4m/s

Distance S = 4000m

Required

Acceleration

Substitute the given parameters into the formula

v² = u²+2as

4² = 200²+2a(4000)

16 = 40000+8000a

8000a = 16-40000

8000a = -39,984

a = - 39,984/8000

a = -4.998m/s²

Hence the acceleration is -4.998m/s²

8 0
3 years ago
What are dot diagrams in Physical Science?​
s344n2d4d5 [400]

Answer:

If you mean Lewis dot diagrams, aka electron-dot diagrams, then these are diagrams that show the bonding between atoms of a molecule, and the lone pairs of electrons that may exist in the molecule.

Explanation:

6 0
3 years ago
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