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4 years ago

Describe how evaporation relates to heat regulation in your body

Physics

1 answer:

yanalaym [24]4 years ago

3 0

When you sweat due to heat your sweat evaporates off your body taking the heat away

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What can we say about a polarizing filter with vertically aligned chemical molecules?

klemol [59]

Answer:

A . It will allow vertically polarized light to pass through it.

Explanation:

Polarization is the attribute in which waves oscillate in a particular direction relative to the direction of travel. The direction of polarization determines the type of polarized light produced. Since the chemical molecules are vertically aligned, it will only allow vertically polarized light pass through it.

3 0

4 years ago

One object is at rest, and another is moving. The two collide in a one-dimensional, completely inelastic collision. In other wor

zhannawk [14.2K]

Answer:

Part a)

v = 16.52 m/s

Part b)

v = 7.47 m/s

Explanation:

Part a)

(a) when the large-mass object is the one moving initially

So here we can use momentum conservation as the net force on the system of two masses will be zero

so here we can say

$m_1v_{1i} + m_2v_{2i} = (m_1 + m_2)v$

since this is a perfect inelastic collision so after collision both balls will move together with same speed

so here we can say

$v = \frac{(m_1v_{1i} + m_2v_{2i})}{(m_1 + m_2)}$

$v = \frac{(8.4\times 24 + 3.8\times 0)}{3.8 + 8.4}$

$v = 16.52 m/s$

Part b)

(b) when the small-mass object is the one moving initially

here also we can use momentum conservation as the net force on the system of two masses will be zero

so here we can say

$m_1v_{1i} + m_2v_{2i} = (m_1 + m_2)v$

Again this is a perfect inelastic collision so after collision both balls will move together with same speed

so here we can say

$v = \frac{(m_1v_{1i} + m_2v_{2i})}{(m_1 + m_2)}$

$v = \frac{(8.4\times 0 + 3.8\times 24)}{3.8 + 8.4}$

$v = 7.47 m/s$

4 0

3 years ago

What is the motion of the particles in this kind of wave?

MatroZZZ [7]

I would say C but I’m not complete sore

8 0

3 years ago

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Suppose that an object in free fall were somehow equipped with a speedometer. by how much would its speed readings increase with

alina1380 [7]

The speed would increase by however much the acceleration due to gravity is. On earth, I believe that is 32ft/s or 9.8m/s

5 0

4 years ago

T Object]User: Which of the following does not affect the electrical resistance of a body?

exis [7]

Material composing the body, temperature of the body and the length of the body affects the electrical resistance of a body. Bodies directly surrounding the body will not affect the electrical resistance of the body. The answer is letter D.

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3 years ago

Read 2 more answers