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3 years ago

What is the difference between average speed and constant speed?

Physics

2 answers:

OLEGan [10]3 years ago

7 0

Answer:

Average speed is a measurement of velocity over a period of time.

Constant speed refers to your velocity at any point in time or period

ICE Princess25 [194]3 years ago

5 0

Answer:

Explanation:

constant speed is where the speed is the same throughout and instantaneous speed is speed given at any moment and average speed is a total distance traveled divided by the amount of time it took to travel it.

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A) A 5.75 mL sample of mercury has a measured mass of 77.05 g. The density is ___________.

Kitty [74]

Answer:

Density of the sample will be 13.4 kg/L

Explanation:

We have given volume of the sample $V=5.75mL=5.75\times 10^{-3}L$

Mass of the sample $M=77.05gram =77.05\times 10^{-3}kg$

We have to find the density of the sample

Density of the sample is given by

$Density=\frac{mass}{volume}=\frac{77.05\times 10^{-3}}{5.75\times 10^{-3}}=13.4kg/L$

So density of the sample will be 13.4 kg/L

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4 years ago

1. Which of the following is correct about the sampling distribution of the sample mean

joja [24]

Answer:

In my opinion I think that the answer is C sorry If I get this wrong.

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3 years ago

Which of the following steps to solve a problem is completed last?

Vesna [10]

Answer:

that would be analyzing data I believe

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3 years ago

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Shearing of the wool is done with special instruments called_____

Kobotan [32]

Answer:

The machine used is called a squaring shear, power shear, or guillotine.

Explanation:

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3 years ago

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Calculate the speed of the object from 5 seconds to 10 seconds. Show your work and don't forget to include the units. (HINT for

Serga [27]

Answer:

Given

mᴀ = mʙ = mᴄ = 62 kg

Fᴀ = 480N

Fʙ = 240 N

Fᴄ = 600 N

Asked

aᴀ, aʙ, aᴄ = ?

Solution

Based on the question, we know that the mass of road A, road B and road C are same. And, the formula of acceleration is

so, we can calculate the acceleration of road A, road B and road C.

• for road A

aᴀ = 7,7419 m/s²

aᴀ = 7,75 m/s²

• for road B

aʙ = 3,8709 m/s²

aʙ = 3,87 m/s²

• for road C

aᴄ = 9,6774 m/s²

aᴄ = 9,68 m/s²

Explanation:

6 0

4 years ago