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Usimov [2.4K]
4 years ago
11

What is the difference between kinetic and mechanical energy?

Physics
2 answers:
Wittaler [7]4 years ago
8 0
Kinetic energy is energy that is in motion, thats all I remember
vitfil [10]4 years ago
8 0
Mechanical energy is a form of energy, it represents the energy that is possessed by a mechanical system of device due to its motion or position. Stated differently, mechanical energy is the ability of an object to do work. Mechanical energy can be either kinetic (energy in motion) or potential (energy that is stored)
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Calculate the density of the stone given that its mass is 250g​
stiks02 [169]

Explanation:

density = mass divide volume

the volume must be there in order to answer the question.

8 0
3 years ago
In which biome would you most likely find plants and animals that are adapted to survive in hot humid climates
joja [24]

in the desert,  I believe

7 0
3 years ago
Read 2 more answers
A busy chipmunk runs back and forth along a straight line of acorns that has been set out between its burrow and a nearby tree.
dmitriy555 [2]

<u>Answer:</u>

Chipmunk's average acceleration during the 2.07 s time interval = 0.1256 m/s^2

<u>Explanation:</u>

  We have equation of motion, v = u + at, where v is the final velocity, u is the initial velocity, a is the acceleration and t is the time taken.

  In this case we need to find acceleration value, we have initial velocity = 1.47 m/s, final velocity = 1.73 m/s and time taken = 2.07 seconds.

 Substituting

       1.73 = 1.47 + a * 2.07

       a = 0.1256 m/s^2

  Chipmunk's average acceleration during the 2.07 s time interval = 0.1256 m/s^2

7 0
4 years ago
What is the angular speed of the tip of the minute hand on a clock
julsineya [31]

Answer:

Its angular speed is 0.105 rad /s. The minute hand of a clock takes 60 minutes = 60 x 60 seconds to complete one rotation.

Hope this Helps!!

Have a nice day :)

Explanation:

4 0
3 years ago
Chứng minh V=kq/r từ mối liên hệ giữ E và V
Marat540 [252]

Answer:V=Aq=KQr

Explanation:

Không biết V bạn kí hiệu ở đây là gì nhỉ? Có phải là điện thế?

Điện thế tại 1 điểm trong điện trường được định nghĩa là công làm vật dịch chuyển từ vị trí đó đến vô cùng. V = A/q

Chứng minh thì được, nhưng chỉ e bạn không có hiểu biết về nguyên hàm, tích phân nên không hiểu.

- Xét tại vị trí cách điện tích Q một đoạn x, khi đó điện tích q sẽ chịu 1 lực: dF=KQ.qx2

Điện tích q dịch chuyển 1 khoảng dx rất nhỏ. Khi đó công do lực điện trường gây ra là:

dA=dF.dx=KQ.qx2dx

Công để dịch chuyển điện tích q từ vị trí r đến vô cùng là:

A=∫∞rdA=∫∞rKQ.qx2dx=KQ.qr−KQ.q∞=KQ.qr

Theo đúng định nghĩa: V=Aq=KQr

4 0
3 years ago
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