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Mashcka [7]
3 years ago
6

Weight will increase as....

Physics
1 answer:
Ganezh [65]3 years ago
5 0
B i believe that is your answer

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What is the definition of specific heat capacity​
mamaluj [8]

Answer:

heat energy that is needed to raise tempeture

3 0
3 years ago
A 350-N child is in a swing that is attached to a pair of ropes 2.10 m long. Find the gravitational potential energy of the chil
o-na [289]

Answer:

a)  U = 735 J , b) U = 125.7 J , c)   U = 0 J

Explanation:

The gravitational power energy is

      U = mg y - mg y₀

The last value is a constant, for simplicity we can make it zero, if the lowest point is at the origin of the coordinate system, which in this case we will place in the lowest part

a) Rope is horizontal

The height in this case is the same length of the rope

     y = 2.10 m

    w = mg = 350 N

    U = 350 2.10

    U = 735 J

b) when the angle is 34º

     y = L - L cos 34

    y = L (1- cos34)

    y = 2.10 (1- cos 34)

    y = 0.359 m

    U = 350 0.359

    U = 125.7 J

c) in this case this point coincides with the reference system

     y = 0

     U = 0 J

4 0
3 years ago
Can yall please help me with this?
Lostsunrise [7]

Answer: b

Explanation:

B is a chemical property

Reference what are physical properties

And what are chemical properties

Under certain conditions it can release a gas is the key words letting you know this is a chemical property

8 0
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Identify the element that has nine protons
loris [4]
Fluorine has nine protons
5 0
3 years ago
According to the definition of mechanical work, pushing on a rock accomplishes no work unless there is
LekaFEV [45]
There must be movement in the same direction as the force put on the object. Hope this helps!
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3 years ago
Read 2 more answers
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