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Paladinen [302]
2 years ago
10

What is meant by specific latent heat of fussion​

Physics
1 answer:
Lunna [17]2 years ago
5 0

Answer:

Boiling point of water is 100 deg C. It takes about 540 cal to change 1 g of water at the boiling point to 1 g of steam at 100 deg C.

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A 26.2-kg dog is running northward at 3.02 m/s, while a 5.30-kg cat is running eastward at 2.74 m/s. Their 65.1-kg owner has the
REY [17]

Answer:

Angle with the +x axis is θ = 79.599degree

Then the velocity of owner = 1.235m/s

Explanation:

Given that the mass of dog is m1 =26.2 kg

velocity of dog is u1 = 3.02 m/s (north)

mass of cat is m2 = 5.3 kg

velocity is u2 = 2.74 m/s (east )

Mass of owner is M = 65.1 kg

Consider the east direction along +x axis andnorth along +y

momentum of dog is Py = m1 x u1

= 79.124 kg.m/s (j)

momentum of cat is Px = m2 x u2

= 14.522 kg.m/s (i)

Then the net magnitude of momentum is P = (Px2 + Py2)1/2

= 80.445

Angle with the +x axis is θ =tan-1(Py / Px ) = 79.599 degree

Then the velocity of owner is v = P / M = 1.235 m/s

3 0
3 years ago
What is measurement?​
Semmy [17]

Answer:

How long or wide something is

Explanation:

5 0
3 years ago
Select all that apply. The force that opposes the start of motion is referred to as _____.
77julia77 [94]
The correct answers are <span>starting friction and </span>static friction

Friction slows down all forces, but starting friction slows down or stops completely the start of motion.

8 0
3 years ago
Read 2 more answers
Good evening! Can someone please answer this, ill give you brainliest and your earning 50 points. Would be very appreciated.
BARSIC [14]

Answer:

Gases that are very good at absorbing long wave photons of infrared light

Explanation:

  • Green house gases examples are Carbon monoxide, nitric oxide etc.
  • These gases absorb long wave photons of infrared light of sun's rays
  • They melts the glaciers and increase the sea level .
7 0
2 years ago
If the same elevator accelerates downwards
PilotLPTM [1.2K]

The upward force exerted by the elevator floor on the passenger is 7.6 times mass of the passenger.

<h3>What is force?</h3>

A force in physics is an effect that has the power to alter an object's motion. An object with mass can change its velocity, or accelerate, as a result of a force. An obvious way to describe force is as a push or a pull. A force is a vector quantity since it has both magnitude and direction.

Given in question elevator accelerates downwards with an acceleration of 1.2 m/s². There is acceleration due to gravity working downward which is 9.8 m/s².

So, net acceleration due to gravity is given as 9.8 - 1.2 = 7.6 m/s²

The upward force exerted by the elevator floor on the passenger is mass times acceleration, 7.6 times mass of passenger.

To learn more about force refer to the link:

brainly.com/question/13191643

 #SPJ1

6 0
11 months ago
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