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horrorfan [7]
3 years ago
7

What type of clouds are associated with low pressure?

Physics
1 answer:
Naddik [55]3 years ago
5 0
Cumulus and cumulonimbus<span />
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The driver of a 1000 kg car traveling at a speed of 16.7 m/s applies the brakes. If the brakes provide a force of - 8000 N to st
RSB [31]

Answer:

Given:

m=1000kg

u= 16.7m/s

v=0m/s

F=8000N

Required:

s=?

Solution:

F=m × a

8000N=1000kg × a

a=8m/s^2

Since it decelerate a= -8m/s^2

v^2 = u^2 + 2as

s=v^2 - u^2 / 2a

s= 0 - (16.7m/s)^2 / 2 × -8m/s^2

s= -278.89/-16

s= 17.43m

The car travels approximately 17.43m before it stops

Please like and follow me

6 0
2 years ago
A concave mirror with a focal length of 32 cm produces an image whose distance from the mirror is one-third the object distance.
iVinArrow [24]

Answer:

part A ⇒ u = 1.28 m

part B ⇒v = 0.43 m

Explanation:

for u is the distance to the object from the mirror and v is the distance from the mirror to the image.

Part A:

the mirror equation is given by:

1/f = 1/v + 1/u

but we told that, v = 1/3u:

1/f = 3/v + 1/u = 4/u

1/f = 4/u

  f = u/4

 u = 4f

    = 4×(32×10^-2)

    = 1.28 m

Therefore the distance from the mirror to the object is 1.28 m.  

part B:

v = 1/3×u = 1/3×(1.28) = 0.43 m

5 0
3 years ago
A piece of purple plastic is charged with 3. 13×106 extra electrons compared to its neutral state. what is its net electric char
horsena [70]

A piece of purple plastic is charged with 3. 13×106 extra electrons compared to its neutral state, then the net electric charge in coulomb would be - 5.008×10⁻¹³ coulombs.

<h3>What is an electric charge?</h3>

Charged material experiences a force when it is exposed to an electromagnetic field due to the physical property of electric charge. You can have a positive or negative electric charge (commonly carried by protons and electrons respectively). Unlike charges attract one another while like charges repel one another. We refer to an object as neutral if it has no net charge.

The charge on one electron is -1.6 ×10⁻¹⁹ coulomb.

Then the charge on the 3.13×10⁶ extra electrons compared to its neutral state

=-1.6×10⁻¹⁹ ×(3.13×10⁶)

As given in the problem A piece of purple plastic is charged with 3.13×10⁶ extra electrons compared to its neutral state then the net electric charge in coulombs would be - 5.008×10⁻¹³ coulombs.

Learn more about an electric charge from here

brainly.com/question/8163163

#SPJ4

4 0
2 years ago
A surfer on top of a wave takes 10 seconds to travel a distance of 40 meters. What is the speed of the wave the surfer is riding
daser333 [38]

Answer:

<h3> B. 4 m/s</h3>

Explanation:

The formula for Speed is distance per time.

<h3>Therefore Speed = Distance / Time</h3>

<u>Data</u>

D = 40 m

T = 10 sec

S = ?

<h3> Speed = 40m /10sec</h3>

To find the speed , divide the distance by the time.

Note : the unit for Speed is meter /second

<h3> Speed = 4 m/s</h3>

Therefore the speed of the wave, the surfer is riding on is 4 m/s.

7 0
1 year ago
Why is the core the only layer of the Sun where energy is produced?
son4ous [18]

Answer:

The core is the only layer of the Sun where energy is produced because that is where the fusion process occurs between hydrogen and helium atoms.There, the hydrogen atoms being converted into helium molecules.

HOPE IT HELPS!

6 0
3 years ago
Read 2 more answers
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