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OleMash [197]
2 years ago
11

What do the mean by cubic expansivity​

Physics
2 answers:
olganol [36]2 years ago
5 0
A real cubic expansivity is an increase in the volume of a liquid per unit volume per degree rise in temperature when heated in an inexpansible vessel.
Leno4ka [110]2 years ago
3 0

Cubic/volume expansivity is the increase in volume per unit volume of a substance for every one degree Celsius rise in temperature.

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Could you use 6.75 when measuring the<br> pencil?<br> no<br> yes
valentinak56 [21]

Answer: yes u can use a 6.75 when measuring the pencil

3 0
3 years ago
Read 2 more answers
The logarithm of x, written log(x), tells you the power to which you would raise 10 to get x. So, if y=log(x), then x=10^y. It i
Lelechka [254]

Answer:

6

Explanation:

The function which is inverse to exponentiation is called logarithm.

It is of the form

log\ x=y\\\Rightarrow log_{10}\ x=y\\\Rightarrow 10^y=x

The 10 here is the base of the logarithm. The logarithm with base 10 is called common logarithm

log_{10}1000000=y\\\Rightarrow 10^y=1000000\\\Rightarrow 10^6=1000000\\\Rightarrow y=6

So, log(1,000,000) = 6

8 0
4 years ago
Calculate the amount of work done to draw a current of 8A from a point at 100V to a point at 120V in 2 seconds?
Morgarella [4.7K]
Given:
I=8A
t=2second
Potential difference,V=120-100=20volt
Workdone=V×i×t
=20×8×2
=320 joule.
3 0
3 years ago
How far can a car traveling at a rate of 40 kilometer per hour travelbin 2 1/2 hours
CaHeK987 [17]
90 kilometers because you need to multiply 40 by 2 and then you get 80 and finally you add 10 and get 90 kilometers
4 0
3 years ago
Read 2 more answers
Traveling at an average rateaverage rate of between 50 and 60 miles per hour for 4 to 7 hours select the best estimate for the d
borishaifa [10]

Answer:

best close estimate distance is 315 miles

Explanation:

given data

speed v1 = 50 miles per hour

speed v2 = 60 miles  per hour

time t1 = 4 hr

time t2 = 7 hr

to find out

best estimate for the distance traveled

solution

we know lower end distance

distance = v1 × t1

distance = 50 × 4 = 200 miles

and

upper end distance

distance = v2 × t2

distance = 60 × 7 = 420 miles

so middle value distance is

v = 55 miles per hour and t = 5.5 hours

distance = v × t  

distance = 55 × 5.5

distance = 302.5 miles

so best close estimate distance is 315 miles

3 0
3 years ago
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