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Alinara [238K]
3 years ago
12

The speed of revolution of particle going around a circlr is doubled and its angular speed is havled. What happen to the centrip

etal acceleration?
a) unchanged
b) doubles
c) halves
d) becomes four times​
Physics
1 answer:
Zarrin [17]3 years ago
7 0

Answer: The correct answer is C

Explanation:

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Technology is the application of science to make products that are useful to people. True or False
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False false false false
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4 years ago
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Nisha was making a list of things that are obtained from plants and Amol was making a list of things that can dissolve in water.
Allisa [31]

Answer:

Sugar

Explanation:

Nisha's list:                               Amol's list

  Jute                                          Vinegar

  Wood                                       Lemon juice

  Rubber                                   Cooking soda

Nisha's list is made up of things that can be derived from plants. From the list given, oil, sugar and cotton can also be obtained from plants.

Most plant materials are organic matter.

Amol's list is made up of things that can dissolve in water. Sugar and table salt can also be dissolved in water.

Water is able to dissolve these materials because they are polar compounds. One rule of solubility is that like dissolves like.

New list:

Nisha's list:                               Amol's list

  Jute                                          Vinegar

  Wood                                       Lemon juice

  Rubber                                   Cooking soda

  Sugar                                       Sugar

                                   

Only sugar from the list can be added to both lists. It can be obtained from plant and can also dissolve in water.

                                             

6 0
4 years ago
______ is an offer to repair or replace a product if there is a problem with the product?
ANTONII [103]
<span>A warranty is an offer to repair or replace a product if there is a problem with the product. Warranties are written guarantee issued to the consumer by the manufacturer at the time of purchase, promising to repair or replace a faulty material. It is usually based on the premise that the product is free from defects in materials and workmanship. It claims that the manufacturer constructed the product out of proper materials, and would compensate the consumer should there be any defects. The period to file a claim typically varies. Some manufacturers place a 90 day period, some a year and a few, even more.</span>
6 0
4 years ago
Suppose that we replace the aluminum with a mystery metal and repeat the experiment in the video. As in the video, the mass of t
dimaraw [331]

Answer:

b) one-third as great.

Explanation:

As we know that same heat is supplied in this experiment

so we will have

Q = ms\Delta T

now we know that both are initially at same temperature

then their final temperatures are

T_1 = 40 degree

T_2 = 80 degree

now we have

m_1s_1 (40 - 20) = m_2s_2(80 - 20)

so we have

m_2s_2 = \frac{20}{60} m_1s_1

so heat capacity of mystery metal is 1/3 times that of water

6 0
3 years ago
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Describe how molecules enter and leave a cell without the use of the cell’s energy
HACTEHA [7]

Answer:

Through passive transport

Explanation:

<em>Passive transport is the movement of molecules and ions across the cell membrane whith no use of energy,</em> it usuale involves a difussion down its concentration gradient (a region where concentration changes) across a membrane, from higher to lower concentrations. Passive transport can happen by simple diffusion, facilitated diffusion, filtration, or osmosis.

I hope you find this information useful and interesting! Good luck!

5 0
4 years ago
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