How is Heat Transfer different from Thermal Energy Transfer

Physics

1 answer:

Llana [10]3 years ago

7 0

Answer:

ExplaHeat can travel from one place to another in three ways: Conduction, Convection and Radiation. ... Thermal energy is transferred from hot places to cold places by convection. Convection occurs when warmer areas of a liquid or gas rise to cooler areas in the liquid or gas.nation:

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a 4.60 kg mass is placed on top of a vertical spring, which compresses a distance of 2.31 cm. calculate the force constant (in n

Lerok [7]

The restoring force of the spring cancels the weight of the mass, so by Newton's second law

∑ F = F[spring] - mg = 0 ⇒ F[spring] ≈ 45.1 N

where m = 4.60 kg and g = 9.80 m/s². Then the spring constant is k such that by Hooke's law,

F[spring] = k x

where x = 0.0231 m. Then the spring constant is

k = F[spring]/x ≈ 1950 N/m

4 0

3 years ago

Part 4! Anything helps!!! Please and thanks

lisov135 [29]

1) 25 because I did 5*5
2) It would be the third option because a longer wire has a higher resistance and a thinner wire causes electrons to travel at a slower rate

Not sure about the last one, sorry

4 0

4 years ago

Several forces act on an object at rest. It is known that the sum of the forces acting on the object is zero. Which statement is

MAVERICK [17]

Answer:

When net force of zero acting on a ball which is at rest , then the object center of mass will not accelerate , but the object may begin to rotate .

Explanation:

Here when there is an object where several forces are acing upon are zero then the center of mass will not accelerate because we know that

$A_{com}=\frac{F_{net}}{M}$