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Leokris [45]
3 years ago
9

To become positively charged, an atom must:

Physics
1 answer:
blagie [28]3 years ago
6 0

Answer:

D

Explanation:

Cause im smart smart and the atom is very simple just use google lol

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A 70.0Kg cyclist Rides a 15.0kg
Inessa [10]

Answer:

1275     kg*m/s

Explanation:

We'll use the momentum equation:

p=mv

where:

p = momentum

m = mass

v = velocity

Since we're doing the magnitude of momentum of the system, we'll add the mass of the cyclist and the mountain bike together:

70.0 kg + 15.0kg=85.0 kg

Given that, we can now substitute our given values into the momentum equation:

p=mv\\p=85.0kg*15.0m/s

Our final answer is:

p= 1275 kg*m/s

4 0
2 years ago
A ________ stream pattern develops on lands underlain by tilted or folded, alternating hard and soft, sedimentary strata.
Mariana [72]
The answer in this question is trellis in which define in this statement as the stream pattern which develops on lands underlain by the tilted or folded, alternating hard and soft and sedimentary strata is trellis. Trellis in architecture is an archintectural structure that is usually made from an open framework or lattice of interwoven or intersecting pieces of wood, bamboo or metal.
4 0
3 years ago
A differnece in electric potential is required for an electric charge to flow through a wire.
cupoosta [38]

Answer:

TRUE

Explanation:

6 0
2 years ago
Read 2 more answers
A. Blue light has higher energy than red light. Write 3 - 4 sentences comparing these electromagnetic waves with respect to the
frosja888 [35]

PART A)

As we know that energy of light depends on its wavelength and frequency as following formula

E = \frac{hc}{\lambda} = h\nu

now we know that wavelength of blue light is less than the red light so here energy of blue light will be more

also we know that

\nu = \frac{c}{\lambda}

so here if wavelength is smaller for blue light so its frequency will be high and the speed of both light will be same in same medium

PART B)

Since we know that frequency of blue light is more than red light as well as wavelength of blue light is less than the wavelength of blue light so here blue light will have more energy

When blue light and red light strike the metal surface then due to more energy of blue light it will release some loosely bonded electrons from metal surface which will contribute in current.

here if we increase the intensity of light then the number of photons that contain the blue light of certain energy will be more and that will contribute more current

So here quantification help as we know that due to quantization only certain frequency or energy will lead to eject electron so all colours will not give this current

5 0
3 years ago
Read 2 more answers
You pull your little sister across a flat snowy field on a sled. Your sister plus the sled have a mass of 22 kg. The rope is at
kati45 [8]

Answer:

Explanation:

mass of sled, m = 22 kg

Force of pull, F = 31 N

distance move, d = 53 m

Angle between force and distance, θ = 40°

The formula for the work done is

W = F x d x Cos θ

W = 31 x 53 x cos 40

W = 1258.6 J

7 0
3 years ago
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