, 15.05.2020danigirl12

# What do you call an object does not significantly change in temperature and internal energy even when heat is removed or added to it?

Is it too late to say sorry

YES IT IS A LYRIC

Hello!

A car travels at 40 mph for 2 hr and 60 mph for 3 hr what is the average speed

Then, 40 mph:

40 miles ---- 1 hr

80 miles ---- 2 hr

Then, 60 mph:

60 miles ------- 1 hr

180 miles ------ 3 hr

* travel distance:

d = 80 miles + 180 miles

d = 260 miles

=> d (travel distance) = 260 miles

* travel time :

=> t (travel time) = 2 hr + 3 hr = 5 hr

We have the following data:

a (average speed) = ? (in mph)

d (travel distance) = 260 miles

t (travel time) = 5 hr

We apply the data to the average speed formula, see:

The average speed is 52 mph

_______________________________

I Hope this helps, greetings ... Dexteright02! =)

See the picture there and you will get what its your question
1.magnetic 2.attract 3.an induced 4.an opposite 5.after

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