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4 years ago

Please help!!! Essay question..... Which properties of light define light as a wave?

Physics

2 answers:

Nina [5.8K]4 years ago

6 0

<span>Wavelength
Amplitude
Period
Frequency
Speed
these are the awnser</span>

alisha [4.7K]4 years ago

6 0

I Just did this it Wavelength
Amplitude
Period
Frequency
Speed

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Which energy resources are found above the Earth's surface

never [62]

Answer: the sun

Explanation:

The sun's radiant energy reaches the earth's surface either directly through radiation, indirectly through convection, or it can move "across" or "through" objects or materials on the surface via conduction. Let's look more closely at each case. We've probably experienced the feeling of "warmth" of the sun on our skin on a sunny day. Light energy from the sun is reaching us across space and down through the atmosphere through radiation. A dark colored vehicle in the sun quickly becomes warm (or hot!) to the touch because of radiation. The light energy from the sun heats the air in the earth's atmosphere, and this drives convection and transfers thermal energy around. It is possible that we've felt a "hot breeze" on our skin on sunny days. The thermal energy in the air will be carried to objects in its path, and it will warm them.

6 0

4 years ago

Water leaks out of a 3,200-gallon storage tank (initially full) at the rate V '(t) = 80 -t, where t is measured in hours and V i

kvasek [131]

Answer:

water leak is 650 gallons

time required to full drain is 80 hrs

Explanation:

given data

volume V = 3200 gallon

rate = V(t) = 80 - t

to find out

how much water leak between 10 and 20 hour and drain complete

solution

we know here rate is 80 - t

so here rate will be

$\frac{dV(t)}{dt}$ = 80 - t

and for time 10 and 20 hour

take integrate between 10 and 20

so water leak = $\int\limits^ {20}_ {10} {(80-t)} \, dt$ .....................1

water leak = ( 80t - $\frac{t^{2} }{2} )^{20}_{10}$

water leak = 650

so water leak is 650 gallons

and

we know here for full tank drain condition

water leak full = 80 t - $\frac{t^{2} }{2}$

3200 = 80 t - $\frac{t^{2} }{2}$

6400 = t² - 160 t

t = 80

so time required to full drain is 80 hrs

6 0

4 years ago

What happens to the speed of the electrons when the resistance is decreased?

3241004551 [841]

Answer:

they slow down

Explanation:

Because number of electrons remain same in the closed circuit or wire, due to conservation of charge in any case. But due to addition of a external resistor current will decreases, by applying ohm's law( V=IR).

7 0

3 years ago

In the diagram, 91, 92, and q3 are in a straight line. Each of these particles has a charge of -2.35 x 10-6 C. Particles q₁ and

Strike441 [17]

The net force on particle q₃ is 6.2128125 N.

<h3>What is electrostatic force?</h3>

The electrostatic force F between two charged objects placed distance apart is directly proportional to the product of the magnitude of charges and inversely proportional to the square of the distance between them.

F = kq₁q₂/d²

where k = 9 x 10⁹ N.m²/C²

Given is the diagram in which each of the particles has a charge of -2.35 x 10⁻⁶ C. Particles q₁ and q₂ are separated by 0.100 m and particles q₂ and q₃ are separated by 0.100 m.

Force acting on q₃ due to q₁

F₃₁ = 9 x 10⁹ x (-2.35 x 10⁻⁶)²/(0.1)²

F₃₁ = 4.97025 N(in right direction)

Force acting on q₃ due to q₂

F₃₂ = 9 x 10⁹ x (-2.35 x 10⁻⁶)²/(0.1+0.1)²

F₃₂ = 1.2425 N (in right direction)

Net force acting on particle q₃ is

F₃ = F₃₁ +F₃₂

F₃ = 4.97025 N + 1.2425 N

F₃ = 6.2128125 N

Thus the net force on a charged particle is 6.2128125 N to the right.

Learn more about electrostatic force.

brainly.com/question/9774180

#SPJ1

3 0

2 years ago

riders on the tower of doom, an amusement park ride, experience 2.0 s of free fall, after which they are slowed to a stop in 0.5

Rainbow [258]

By Newton's second law, the apparent weight of rider coming at rest is <u>3548 N</u>.

According to formula, v = u + at

a = 39.2 m/ $s^{2}$

Force, F = ma

F = m(a+g)

F = apparent weight

m = mass, given = 65 kg

a = acceleration, given = 39.2 m/ $s^{2}$

g = 9.8 m/ $s^{2}$

Put these values in formula, F = m(a+g)

F = 65(39.2+9.8)

F = 3548 N

Therefore, the apparent weight of rider coming at rest is <u>3548 N</u>.

Learn more about apparent weight here:- brainly.com/question/24897276

#SPJ4

6 0

1 year ago