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4 years ago

Compared to yellow light, orange light has

Physics

1 answer:

beks73 [17]4 years ago

5 0

Compared to yellow light, orange light has
a longer wavelength and lower frequency.

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If an object has more protons than it does electrons, then it has _________ charge. A. no B. a variable C. a net positive D. a n

snow_tiger [21]

A) NO
it would have no charge, i think

4 0

4 years ago

Read 2 more answers

Fundamentally, pressure is defined as force per unit area. What is the source of the force in a gas sample? A) The force is from

Artist 52 [7]

Answer:

Option C

Explanation:

Given

Pressure = Force /Area

For any gas sample, force is defined as basically the force exerted by the gas molecules when they strike the surface (with in which they are contained) and bounce back.

Hence, Option C is the correct

6 0

3 years ago

Calculate the momentum for the following scenario: a bowling ball is moving at a velocity of 15 m/s and has a mass of 8.00 kg. *

svetlana [45]

Answer:

120 kg • m/s

Explanation:

15 × 8.00 = 120

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5 0

3 years ago

An ice-skater is moving at a constant velocity across an icy pond, The skater throws a snowball directly ahead.

Murljashka [212]

Answer:

(D) It is equal to the original velocity of the skater.

Explanation:

The velocity of the center of mass of a system is

$\vec{v}_{cm} = \frac{m1\vec{v}_1 + m_2\vec{v}_2}{m_1 + m_2}$

The velocity of the center of mass is constant if there is no external force, because the total momentum of the whole system is conserved.

So, before the snowball is thrown, the velocity of the center of mass is equal to that of the skater. This velocity will always be equal to the velocity of the center of mass of the system.

6 0

4 years ago

Which chemical reaction shows photosynthesis

djverab [1.8K]

Answer: Option (a) is the correct answer.

Explanation:

Photosynthesis is defined as a chemical process in which plants tend to make their own food in the presence of sunlight, water and carbon dioxide.

During this process, product formed by the plants is glucose and oxygen.

The chemical reaction equation for photosynthesis is as follows.

$6CO_{2} + 6H_{2}O + \text{Sunlight} \rightarrow C_{6}H_{12}O_{6} + 6O_{2}$

Therefore, we can conclude that out of the given options the correct equation is as follows.

$\text{water + carbon dioxide + sunlight} \rightarrow \text{oxygen + glucose}$

8 0

4 years ago