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adell [148]
3 years ago
8

How is color related to wavelength?

Physics
1 answer:
daser333 [38]3 years ago
5 0
Answer to d.
Color travels in waves which are loosely divided into into short medium and long in length. because color travel at different wavelengths some are easier to see than others but the amount of light is also a factor. in general however green is the most visible color from a distance.
answer to c.
No it depends on the time of day whether it is light or dark because clors stand out in different wavelenghts
answer to b.
yes that's absolutely true.
answer to a.
No purple is the shortest wavelength and the highest frequency

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How do you solve for initial velocity?
nikdorinn [45]
Velocity is a function of time and defined by both a magnitude and a direction.  Often in physics problems, you will need to calculate the initial velocity (speed and direction) at which an object in question began to travel. There are multiple equations that can be used to determine initial velocity. Using the information given in a problem, you can determine the proper equation to use and easily answer your question. Sorry if this is not what your looking for
6 0
3 years ago
A person on earth (9.8m/s/s ) has a mass of 75kg therefore his weight is
kolbaska11 [484]

           Weight  =  (mass)  x  (gravity)

                         =  (75kg)  x  (9.8 m/s²)

                         =         735  kg-m/s²

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6 0
3 years ago
Read 2 more answers
What is the static friction force??
Paul [167]
55 Kg has a weight of 55x9.8= 539 N
That is equal to the Normal force.
The static friction = 0.19 x 539 = 102.4 N
6 0
3 years ago
An object of mass 0.50 kg is released from the top of a building of height 8 m. The object experiences a horizontal constant for
liberstina [14]

To solve this problem with the given elements we will apply the linear motion kinematic equations. We will start by calculating the time taken, with the vertical displacement data. Subsequently, with the components of the acceleration, we will obtain the magnitude of the total acceleration, to finally obtain the horizontal displacement with the data already found.

PART A) From vertical movement we know that the acceleration is equivalent to gravity and the displacement is 8m so the time taken to carry out the route would be

h = \frac{1}{2} gt^2

Here,

h = 8 m

g = 9.8 m/s^2

Replacing,

8 = 0.5 * 9.8 * t^2

t = 1.277 sec

PART B) Now, Magnitude of acceleration

a = \sqrt{a_x^2 + a_y^2}

a_x = \frac{1.9}{0.5} = 3.8 m/s^2

a_y = g = 9.8 m/s^2

Thus, magnitude of net acceleration

a = \sqrt{3.82^2  + 9.8^2}= 10.51 m/s^2

PART C) Finally the displacement along horizontal direction is:

s =v_0 t + \frac{1}{2} a t^2

s = 0 + \frac{1}{2} (3.8)(1.277)^2

s = 3.098 m

Therefore the distance traveled along the horizontal direction before it hits the ground is 3.098m

7 0
3 years ago
An uncharged 30.0-µF capacitor is connected in series with a 25.0-Ω resistor, a DC battery, and an open switch. The battery has
kolezko [41]

Answer:

(a) Maximum current through resistor is 1.43 A

(b) Maximum charge capacitor receives is 1.50\times 10^{-3}\text{ C}.

Explanation:

(a)

In an RC (resistor-capacitor) DC circuit, when charging, the current at any time, <em>t</em>, is given by

I(t) = I_0e^{-t/\tau}

Here, I_0 is the maximum current and <em>τ</em> represents time constant which is given by RC (the product of the resistance and capacitance).

The maximum current is given by

I = \dfrac{V}{R_\text{eff}}

<em>V</em> is the emf of the battery and R_\text{eff} is the effective resistance.

In this question, R_\text{eff} = 10.0 Ω + 25.0 Ω = 35.0 Ω

I = \dfrac{50.0\text{ V}}{35.0\ \Omega} = 1.43\text{ A}

(b) The maximum charge is given

<em>Q</em> = <em>CV</em>

where <em>C</em> is the capacitance of the capacitor

Q = (30.0\times10^{-6}\text{ F})(50.0\text{ V}) = 1.50\times 10^{-3}\text{ C}

3 0
3 years ago
Read 2 more answers
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