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11111nata11111 [884]
3 years ago
7

How does a simple machine facilitate our work​

Physics
2 answers:
omeli [17]3 years ago
8 0

Answer:

Simple machines are useful because they reduce effort needed for people to perform tasks beyond their normal capabilities.

Explanation:

marta [7]3 years ago
6 0

Answer:

Simple machines are useful because they reduce effort needed for people to perform tasks beyond their normal capabilities.

Explanation:

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Rebecca heated 50mL of water from 0 degrees Celsius to 60 degrees Celsius. How much energy did she use to heat the water? Rememb
GuDViN [60]

Answer:

Q = 12540  J

Explanation:

It is given that,

Mass of water, m = 50 mL = 50 g

It is heated from 0 degrees Celsius to 60 degrees Celsius.

We need to find the energy required to heat the water. The formula use to find it as follows :

Q=mc\Delta T

Where c is the specific heat of water, c = 4.18 J/g°C

Put all the values,

Q=50\times 4.18\times (60-0)\\Q=12540\ J

So, 12540 J of energy is used to heat the water.

7 0
2 years ago
Describe the relationship between a moving objects mass and its kinetic energy
WINSTONCH [101]
KE = 1/2 mv^2 is the relationship betwee mass and kinetic energy
8 0
3 years ago
Gravitational force depends on the mass of an object.
vampirchik [111]

Answer:

sun, earth, capitol building, human, atom

Explanation:

Gravity is directly proportional to the size of an object. Therefore, the object with the most mass will have the greatest force of gravity. We know this from the equation. F = G\frac{m_1m_2}{r^2}

4 0
2 years ago
What can you use to determine whether the SATA port no which you are connecting the drive will also run at 6.0Gbps?
kolbaska11 [484]

Answer:

The answer is "use manual motherboard".

Explanation:

The motherboard is also known as the mainboard, it an electronic circuit board, that can connect with the CPU, RAM, and other networking equipment parts. It is also is known as a chipset, that differ widely in style, context, power source, height and performance (Form Factor).

All the data of the computer is stored memory, which checks into the motherboard, that the SATA port which you are connected to is still going to run at 6.0Gbps or not.

8 0
3 years ago
While standing outdoors one evening, you are exposed to the following four types of electromagnetic radiation: yellow light from
Alona [7]

Answer: FM radio waves, AM radio waves, yellow light, micro waves

Explanation:

5 0
3 years ago
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