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Andru [333]
3 years ago
7

The dimensional formula for specific latent heat is​

Physics
1 answer:
scoray [572]3 years ago
5 0

Answer:

The dimensional formula for specific latent heat is L²/T²

Explanation:

The unit of specific latent heat is J/kg

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If a cart of 8 kg mass has a force of 16 newtons exerted on it what is its acceleration?
ch4aika [34]
Assuming the cart rests on a perfectly smooth and horizontal surface, then we can apply Newton's second law,
F=ma => a=F/m

Acceleration, a = Force/mass = 16 N / 8 kg = 2 m/s^2
6 0
3 years ago
What is the net force acting on a falling object when it reaches terminal velocity? a force equal to gravity 9.8 m/s2 two times
Leno4ka [110]

Answer:

The net force is zero

Explanation:

When an object is falling, there are two forces acting on it:

- The force of gravity, which is equal to the weight of the object, which pushes the object downwards

- The air resistance, which acts against the motion of the object, so it pulls upward

While the magnitude of the force of gravity is constant, the magnitude of the air resistance increases as the velocity of the falling object increases: at some point of the motion, the air resistance becomes equal in magnitude to the force of gravity. At this point, the net force on the object becomes zero, and according to Newton's second law, the acceleration of the object becomes also zero:

F=ma

But zero acceleration means that the velocity of the object is now constant: this is known as terminal velocity.

5 0
3 years ago
When a cold air mass replaces a warm air mass, it's called a(n) _____ front?
Anvisha [2.4K]
When a cold air <span>mass replaces a warm air mass, this is called a cold front. Some characteristics of a called front before passing are winds coming from south or southwest area, warm temperature, falling pressure, and drizzles. When it passes, the winds are shifting, there is a sudden drop of temperature, minimum pressure followed by a sharp rise. After passing, the winds head to the west or northwest area, temperature is steadily dropping and the pressure is rising steadily.</span>
3 0
3 years ago
Read 2 more answers
Lifting a rope A mountain climber is about to haul up a 50-m length of hanging rope. How much work will it take if the rope weig
timama [110]

Answer:

780 J

Explanation:

W=\int _{\:0}^{50}0.624xdx

4 0
2 years ago
"Water is absorbed in the intestine through which process"? a. simple diffusion b. active transport c. active diffusion d. facil
sdas [7]

Answer: Water is absorbed in the intestine through gradient transport. The correct option is E.

Explanation:

Absorption of water in the mammalian intestines occurs largely on the small intestine through a transport mechanism known as osmosis. Osmosis is the movement of water molecules, through a semi permeable membrane, from the region of lower solute concentration into higher solute concentration to attain an equilibrium.

For water molecules to be absorbed from the lumen into the bloodstream, it's dependent on sodium absorption. This follows the following steps:

-sodium is absorbed by co transport with glucose and amino acids.this aids to move sodium from lumen into the enterocyte.

- Rapid exportation of absorbed sodium through sodium pimps from the enterocyte.

- As sodium is pumped out of cells an osmotic gradient is formed across apical cell membrane, this helps to osmotically drive water across the epithelium. Therefore water is absorbed in the intestine through the osmotic gradient created by sodium absorption. I hope this helps. Thanks.

6 0
3 years ago
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