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3 years ago

Which of the following types of electromagnetic radiation has longer wavelengths than visible light?

Physics

1 answer:

irina [24]3 years ago

4 0

The answer to your question would be A. infrared light

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What material parameters determine resistivity?

sleet_krkn [62]

Answer:

Resistivity $\rho =\frac{RA}{l}$

It depends upon cross sectional area and length of material

Explanation:

The resistance of any material is given by $R=\frac{\rho l}{A}$ , here $\rho$ is the resistivity of material , l is length of material and A is cross sectional area

So resistivity $\rho =\frac{RA}{l}$

So resistuivity of any material depends upon area of cross section and length of material

If cross sectional area will be more then resistivity will be more. And is length of the material will be more then resistivity will be less

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3 years ago

A car has a force of 0.27 N and an acceleration of 3m/s2 What is the car's mass?

lyudmila [28]

Answer:

0.09 kg

Explanation:

f=0.27

a=3

m=f/a

m=0.27/3

m=0.09

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3 years ago

Que es la expansión del universo?

anastassius [24]

Answer:

La expansión no es más que el incremento con el tiempo de la distancia entre cualquier par de galaxias lejanas. Se suele utilizar para representar este hecho la analogía de un globo donde hemos pintado una serie de puntos a modo de galaxias.

Explanation:

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3 years ago

A 0.6 kg basketball moving 7.2 m/s to the right collides with a 0.04 kg tennis

KonstantinChe [14]

Answer:

Explanation:

4 0

3 years ago

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A man pushes a 10kg box with a constant acceleration of 5m/s2. What force is applied to the box?

drek231 [11]

FORMULA

$\boxed {F = m \times a}$

F = force
m = mass
a = acceleration

Using the formula

$F = 10 \times 5$

Multiply

$\boxed {\textsf {F = 10 N}}$

8 0

3 years ago

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