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3 years ago

What determines the color of light?

Physics

1 answer:

crimeas [40]3 years ago

3 0

Answer: wave length
(Please Mark brainly or like I’m trying to get points lol!)

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A boy standing on the bridge kicks a stone into the water below. He kicks the stone with a horizontal velocity of 8.06 m/s. It l

Ronch [10]

Time taken to reach water :

$t = \dfrac{D}{v}\\\\t=\dfrac{6.78}{8.06}\ s\\\\t=0.84\ s$

Now, initial vertical speed , u = 0 m/s.

By equation of motion :

$h = ut +\dfrac{at^2}{2}$

Here, a = g = acceleration due to gravity = 9.8 m/s².

So,

$h = 0(t) +\dfrac{9.8\times 0.84^2}{2}\\\\h=3.46\ m$

Therefore, the height of the bridge is 3.46 m.

Hence, this is the required solution.

6 0

3 years ago

A trough is filled with a liquid of density 860 kg/m3. The ends of the trough are equilateral triangles with sides 14 m long and

7nadin3 [17]

Answer:

2.89 x 10^6 N

Explanation:

The explanation is shown in the picture attached

8 0

3 years ago

(iii) What does Electromagnetic waves move from one place to another?* 1 point

mart [117]

The answer is Energy

Explanation: in sound waves , energy is transferred through vibration of air particles or particles of a solid through which the sound travels

8 0

2 years ago

What is the kinetic energy of the 80kg skydiver if he is moving at 60m/s? (Show the equation, show your work and answer with uni

s344n2d4d5 [400]

Answer:

The answer to your question is: Ke = 144000 Joules

Explanation:

Data

Kinetic energy = ?

mass = 80 kg

speed = 60 m/s

Equation

$Ke = \frac{1}{2} mv^{2}$

$Ke = \frac{1}{2} (80)(60)^{2}$

Ke = 144000 Joules

4 0

3 years ago

Bryce has selected a major in political science but has a little interest in understanding public relations

Dominik [7]

Hi, you've asked an incomplete question. However, I assumed you want additional comments about this scenario.

<u>Explanation:</u>

Note, the term Major as used in academic contexts refers to a person's preferred interest or specialization at college or university.

Hence, the statement about Bryce appears to be contradictory, since we are told he "has little interest in understanding public relations".

8 0

2 years ago