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Alla [95]
3 years ago
10

Acceleration is equal to the initial velocity minus the final velocity, then divided by time.true or false

Physics
1 answer:
tatiyna3 years ago
5 0

Almost true but not quite.

That would give you the negative of the actual acceleration.

It should be the other way around:

(final v) minus (initial v), then divide by time.

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two workers are sliding 260 kg crate across the floor. one worker pushes forward on the crate with a force of 450 n while the ot
balu736 [363]

To find out the kinetic friction, using the coefficient friction formula.

What is kinetic friction?

A force that acts between moving surfaces is called "kinetic friction." A force acting in opposition to the direction of a moving body on the surface is felt. The two materials' kinetic friction coefficients will determine how much force is applied.

What is coefficient friction?

A measure of the degree of friction between two surfaces is the coefficient of friction. A coefficient of friction is determined by calculating the resistance to motion at the intersection of two surfaces made of the same or different materials.

UK

U-coefficient of friction

K-Kinetic friction

Using UK

450+370-f=m*o

f=820=UK*260*9.8

UK=2.548

820/2.548

UK= 321.8210361

Therefore the coefficient of kinetic friction is 321.8210361

Learn more about Kinetic friction from the given link.

brainly.com/question/14111192

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6 0
1 year ago
An object traveling in a straight line accelerates. What will definitely happen due to the acceleration?
Damm [24]
"Acceleration" means any change in the speed or direction of motion ... speeding up, slowing down, or turning.  So . . .

<span>-- </span><span>The distance traveled in a certain time may increase or decrease.

-- The displacement covered in a certain time may increase or decrease.

-- The speed of the object may increase or decrease.

-- The velocity of the object (speed/direction) will change. 
</span>
Hope this helps..
7 0
3 years ago
Read 2 more answers
An observer (O) spots a plane (P) taking off from a local airport and flying at a 29° angle horizontal to her line of sight and
nikklg [1K]
B. <span>10,824 feet
is the right answer
tan 26 = 6000/x
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7 0
3 years ago
Please help me to find out my mistake
Scrat [10]

From the calculation, the speed of sound at 10 K is 63.5 m/s.

<h3>What is the speed of sound?</h3>

We know that the speed of sound is directly proportional to the temperature of the body thus we can write;

V1/V2 = √T1/T2

Then;

T1 = 0 degrees or 273 K

T2 = 10 K

V1 = 330 m/s

V2 = ?

330/T2 = √273/10

330/T2 = 5.2

330 = 5.2T2

V2 = 330/5.2

V2 = 63.5 m/s

Learn more about speed of sound:brainly.com/question/15381147

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7 0
2 years ago
The equation E = MC squared relates energy and 1. Force 2. Gravity 3. Mass 4. Work
Ganezh [65]
The equation relates energy to mass
7 0
3 years ago
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