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MArishka [77]
3 years ago
15

If I travel 400 kilometers in 10 hours what is my speed

Physics
2 answers:
xxTIMURxx [149]3 years ago
8 0

Answer:

40km/hr

Explanation:

we divide the distance with time

Illusion [34]3 years ago
3 0

Answer:

<h3>The answer is 40 km/ hr</h3>

Explanation:

To find the speed we use the formula

speed \:  =  \frac{distance}{time}

From the question

The distance is 400 km

The time is 10 hours

Substitute the values into the above formula

That's

Speed  =  \frac{400 \: km}{10 \: hours}

We have the final answer as

<h3>40 km/ hr</h3>

Hope this helps you

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a force is applied to a block causing it to accelerate along a horizontal, frictionless surfaces. the energy gained by the block
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Energy given to the block
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Which describes the experiment of becquerel and the curies
sergiy2304 [10]

The correct answer is D. Becquerel showed that uranium gave off radioactivity, and the Curies discovered other radioactive elements.

3 0
3 years ago
At a department store, you adjust the mirrors in the dressing room so that they are parallel and 6.2 ft apart. You stand 1.8 ft
barxatty [35]

Answer:

<em>a) 3.6 ft</em>

<em>b) 12.4 ft</em>

Explanation:

Distance between mirrors = 6.2 ft

difference from from the mirror you face = 1.8 ft

a) you stand 1.8 ft in front of the mirror you face.

According to plane mirror rules, the image formed is the same distance inside the mirror surface as the distance of the object (you) from the mirror surface. From this,

your distance from your first "front" image = 1.8 ft + 1.8 ft = <em>3.6 ft</em>

b) The mirror behind you is 6.2 - 1.8 = 4.4 ft behind you.

the back mirror will be reflected 3.6 + 4.4 = 8 ft into the front mirror,

the first image of your back will be 4.4 ft into the back mirror,

therefore your distance from your first "back" image = 8 + 4.4 = <em>12.4 ft</em>

8 0
3 years ago
Calculate the air pressure in the pressurized tank, if h1 = 0. 18 m, h2 = 0. 2m and h3 = 0. 25m. The density of the mercury, wat
fomenos

The air pressure in the pressurized tank will be 24014.88 N/m²,196.2 N/m²,2084.625  N/m².

<h3 /><h3>What is pressure?</h3>

The force applied perpendicular to the surface of an item per unit area across which that force is spread is known as pressure.

It is denoted by P. The pressure relative to the ambient pressure is known as gauge pressure.

Pressure is found as the product of the density,acceleraton due to gravity and the height.

P₁=ρ₁gh₁

P₁=13,600 kg/m³×9.81 (m/s²)×0.18 m

P₁=24014.88 N/m²

P₂=ρ₂gh₂

P₂= 1000 kg/m³×9.81 (m/s²)×00.2 m

P₂=196.2 N/m²

P₃=ρ₃gh₃

P₃=850 kg/m³×9.81 (m/s²)×0.25

P₃=2084.625  N/m²

Hence,the air pressure in the pressurized tank will be 24014.88 N/m²,196.2 N/m²,2084.625  N/m².

To learn more about the pressure refer to the link;

brainly.com/question/356585

#SPJ4

6 0
1 year ago
Who else got stuck on a question and is NOT ready for test return at 2? its 1:58 AAAAAAA​
k0ka [10]
Good luckkkk hope you do well
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2 years ago
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