Heat transfer within a fluid takes place bya. convection currents.
b. radiation.
c. conduction.
d. density.
Answers
Heattransfer within a fluid takes place by convectioncurrents. The correct option is a.
Convection currents are principally responsible for heat transmission within a fluid. Heat is transferred through the fluid's own movement through convection.
Heat causes a fluid's particles to gain energy and lose density, which causes them to rise. Heat energy is carried upward by the heated fluid.
A cycle of circulationresults from the movement of colder fluid from the surroundings into its place in the interim.
Through this mechanism, heat can be moved from hotter to cooler areas of the fluid. Convectioncurrents are frequently seen in fluids like air and liquids, and they're important for both engineering and a variety of natural occurrences.
Thus, the correct option is a.
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Answer:
the answer is A. convection currents
Explanation:Convection currents transfer heat from one place to another by mass motion of a fluid such as water, air or molten rock. The heat transfer function of convection currents drives the earth’s ocean currents, atmospheric weather and geology. Convection is different from conduction, which is a transfer of heat between substances in direct contact with each other.
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The atomic number of an element is equal to the number of _____ contained in one atom of that element.
The production of two useful forms of energy from the same fuel source is calleda. magnification b. cogeneration c. regeneration d. bilateral generation
A ball is thrown upwards and it goes to the height 100 m and comes down 1) What is the net displacement?
b. momentum is the product of mass and speed
c. momentum is the product of mass and velocity
d. momentum is a scalar quantity
e. momentum is a vector quantity
f. momentum has unit of newton (N)
g. momentum has unit of kgm/s
h. momentum has unit of kgm2/s2
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j. momentum is one-half the product of mass and the square of the object's speed
Answers
Answer:
c. Momentum is the product of mass and velocity
e. Momentum is a vector quantity
g. Momentum has unit of kgm/s
Explanation:
Linear momentum P
P = m .v
m =mass
v=Velocity
If mass take in kg and velocity is in m/s then momentum p will be in kg.m/s.
1. momentum is the product of velocity and mass.
2.Momentum is a vector quantity.
3.Momentum have kg.m/s unit.
So the following option are correct.
c. Momentum is the product of mass and velocity
e. Momentum is a vector quantity
g. Momentum has unit of kgm/s.
Note-
1.Joule is the unit of energy.
2.One-half the product of mass and the square of the object's speed is known as kinetic energy.
Answers
b. liter
c. meter
d. Kelvin
Answers
Answer : The SI unit to measure length is "meter".
Explanation :
SI unit means the international system of units. There are some fundamental units and some of the units are derived from fundamental units.
The SI units of some quantities are as follows :
- Mass : The SI unit of mass is Kilogram or Kg.
- Volume : The SI unit of volume of liter.
- Length : The SI unit of length is meter.
- Temperature : The SI unit of temperature is kelvin.
Hence, the correct option is (b) " meter ".
Answer:
Option c: Meter.
Explanation:
The meter is the unit of length in the international system of units. That system establishes standard measure at an international level for the following units:
- Meter (m)
- Seconds (s)
- Kilograms (Kg)
- Ampere (A)
- Kelvin (K)
- Mol (mol)
The meter is defined as the distance that light travels in vacuum in ratio of of a second.
Answers
Answers
Answer: Glaciers
Water near the poles would most likely be stored as glaciers. Glaciers are slow moving rivers that are a buildup of ice and snow.
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