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Brut [27]
4 years ago
13

Which one describes how much matter an object contains, using SI units?

Physics
2 answers:
xxTIMURxx [149]4 years ago
7 0

Answer:

The answer is A.43 kg i took the test rn.

Explanation:

ahrayia [7]4 years ago
5 0
Si units or Systeme' de Internationale' is a widely adopted unit system in measuring basic and derived dimensions In this case, the SI units here are kilograms, meter and seconds. Pounds is an English unit. mass is the measure of <span>how much matter an object contains, hence the answer is A. 43 kg.</span>
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Children slide down a friction-less water slide that ends at a height of 1.80 m above the pool. If a child starts from rest at p
Pachacha [2.7K]

Answer:

0.84 m

Explanation:

0.84 m

Explanation:

We are given that  

Height,h=1.80 m

Horizontal distance,L=2.43 m

We have to determine the height h of the water slide.

Initial velocity,u=0

t=\sqrt{\frac{2h}{g}}

Where g=9.8 m/s^2

t=\sqrt{\frac{2\times 1.8}{9.8}}=0.6 s

v=\frac{distance}{time}=\frac{2.43}{0.6}=4.05 m/s

h'=\frac{v^2}{2g}

h'=\frac{(4.05)^2}{2\times 9.8}

h'=0.84 m

7 0
3 years ago
The motion map shows an object’s position and velocity at given times. A long black arrow right labeled x. Above that are 5 gree
Digiron [165]

The map be changed <u>by adding vectors that are all the same length and placing them above the current top row of vectors</u>

<h3>Further explanation</h3>

A motion map represents the position, velocity, or acceleration of an object at various time readings

a small point or dot describes the position of the object. the object's velocity / acceleration is represented by an arrow / vector.

In this motion map, The arrows (vectors) are all the same length (same speed) and point in the same direction (direction to the right) for t = 0 (origin) to t = 4s

At t = 5s, the object has slowed down, and at t = 7s and 8s the object stops

At t = 9s-11 s, the object accelerates to the left

So the position of the next moving object will be above the previous movement, and the length of the same vector shows the same speed / acceleration

So that motion maps show constant acceleration after the object changes direction, it can be done by adding vectors that are all the same length and placing them above the current top row of vectors

<h3>Learn more</h3>

The initial velocity of the bird before the gust of wind

brainly.com/question/13207873

Keywords: motion map,  constant acceleration, dot, arrows, object,length, vectors, row

#LearnwithBrainly

5 0
3 years ago
Read 2 more answers
You drive a car 660 m to the east, then 400 m to the north. What is the magnitude of your displacement? Using a sketch, estimate
ANEK [815]

Explanation:

You walk 53m to the north, then you turn 60° to your right and walk another 45m. Determine the direction of your displacement vector. Express your answer as an angle relative to east.

8 0
3 years ago
What happens to energy as frequency increases on the electromagnetic spectrum?
gladu [14]
As a wavelength increases in size, its frequency and energy (E) decrease. From these equations you may realize that as the frequency increases, the wavelength gets shorter. ... Mechanical and electromagnetic waves with long wavelengths contain less energy than waves with short wavelengths.
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3 years ago
To maximize the percentage of the power from the emf of a battery that is delivered to a device, what should the internal resist
Simora [160]

To maximize the power delivered to load, we should minimize the internal resistance which means option A is correct.

<h3>What is the relationship between the power and the internal resistance?</h3>

Power  can be  delivered to the internal resistance of a battery, but in a case whereby there is a decrease in the internal resistance will bring about the decrease in the  lost power  as well as the  increase in  the percentage of the power delivered to the device.

In this case, To maximize the power delivered to load, we should minimize the internal resistance

Therefore, Option A is correct.

Learn more about power on:

brainly.com/question/17086286

#SPJ4

3 0
2 years ago
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