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AURORKA [14]
3 years ago
15

What is meant by a quantity ? Mention any three system of unit that you know to measure a

Physics
1 answer:
d1i1m1o1n [39]3 years ago
4 0

<em> </em>

<em> the quantity which can be measured is called </em>

<em> the quantity which can be measured is called quantity for example length and mass time temperature </em>

<em> the quantity which can be measured is called quantity for example length and mass time temperature please brainlist </em>

<em> the quantity which can be measured is called quantity for example length and mass time temperature please brainlist </em>

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The diagram below shows a wave with its wavelength indicated in red.
lisabon 2012 [21]

C. It will decrease


5 0
3 years ago
Read 2 more answers
An airplane flying at 119 m/s is accelerated uniformly at the rate of 0.5 m/s2 for 10
miss Akunina [59]

Answer:

124m/s

Explanation:

v=u+at

v=119+(0.5×10)

v=119+5

v=124m/s

4 0
3 years ago
What are limitations of the calculated and indirect volume measurement?
tresset_1 [31]

Answer: The calculated volume measures the side of the cube to get the volume. An indirect measurement of volume measures the displacement of a liquid by a solid.

Explanation:

Volume is the amount of  the space occupied by an object. Volume can be used to measure the amount of the space occupied by the solid, liquid and gas.

When the direct measurement is not possible then the indirect measurement is used by taking the small part that object to calculate the whole part of that.  

The limitations of the calculated and indirect volume measurement are as follows,

The calculated volume measures the side of the cube to get the volume. An indirect measurement of volume measure the displacement of a liquid by a solid. For example, the volume of the liquid is displaced by the sponge is not equal to the volume of the sponge.

3 0
3 years ago
Read 2 more answers
Why does the plot show vertical jumps at the melting and boiling points?
Serggg [28]
I think this happens because during melting or boiling at constant temperature, the entropy dramatically increases because energy is removed from the system during the change. Entropy increases with increase in temperature, entropy increases steadily with increasing temperature up to the melting point of the solid, where the entropy increases further due to addition of freedom of molecules which increases the randomness of the substance. At boiling point of liquid, another abrupt increase in entropy occurs, this results from increased volume available to the atoms or molecules as they enter the gaseous state. 
3 0
3 years ago
A person walks 30m due north, then 50m at 35 degrees. Find their total displacement.
Harman [31]
Using the cosine rule (a^2 = b^2 + c^2 - 2bc cos A), we can work out the displacement:
Displacement = a
b = 30
c = 50
A = 180 - 35 = 145 degrees.

a^2= 900 + 2500 -1500*-0.81915...
      = 3400 + 1228.728...
      = 4628.72...
a = 68.034...
   = 68.0m (to 3s.f.).

To work out the angle from starting place, use another configuration of the cosine rule: 
cos(C)= \frac{a^{2} +b^{2}-  c^{2}  }{2ab}:
cos (C)= \frac{4628.72...+900-2500}{2*68*30}
           = 3028.7.../4080
           = 0.7423...
C = 42.069... degrees
   = 042 bearing
5 0
3 years ago
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