3 years ago

What is the answer to this

Physics

1 answer:

Snowcat [4.5K]3 years ago

6 0

Answer:

Convection

Explanation:

The method of heat transfer that occurs when particles move through a fluid is called convection.

Conduction is where heat is transferred from one substance to another through direct contact.

Thermal energy is the amount of heat that a substance has.

I hope this helps!

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Vector vector a has a magnitude of 29 units and points in the positive y-direction. when vector vector b is added to vector a ,

Nutka1998 [239]

Good morning.

We have:

$\mathsf{\overset{\to}{a} = 29\overset{\to}{j}}$

Where j is the unitary vector in the direction of the y-axis.

We have that

$\mathsf{\overset{\to}{a}+\overset{\to}{b} = -18\overset{\to}{j}}$

We add the vector -a to both sides:

$\mathsf{\overset{\to}{b} = -18\overset{\to}{j} -\overset{\to}{a} = -18\overset{\to}{j} -29\overset{\to}{j}}\\ \\ \mathsf{\overset{\to}{b}=-47\overset{\to}{j}}$

Therefore, the magnitude of b is 47 units.

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