4 years ago

How much heat is absorbed by 60 g of copper when it is heated from 20°C to 80°C?

Physics

1 answer:

ira [324]4 years ago

6 0

Answer:

1,836J

Explanation:

You might be interested in

When the man inside the treadmill steps up, what force pulls home back? In what direction does this force move him?

poizon [28]

These image should help you out

4 0

3 years ago

A purse at radius 2.30 m and a wallet at radius 3.45 m travel in uniform circular motion on the floor of a merry-go-round as the

ivolga24 [154]

Answer:

The acceleration of the wallet is $3\hat{i}+6\hat{j}$

Explanation:

Given that,

Radius of purse r= 2.30 m

Radius of wallet r'= 3.45 m

Acceleration of the purse $a=2\hat{i}+4.00\hat{j}$

We need to calculate the acceleration of the wallet

Using formula of acceleration

$a=r\omega^2$

Both the purse and wallet have same angular velocity

$\omega=\omega'$

$\sqrt{\dfrac{a}{r}}=\sqrt{\dfrac{a'}{r'}}$

$\dfrac{a}{r}=\dfrac{a'}{r'}$

$\dfrac{a'}{a}=\dfrac{r'}{r}$

$\dfrac{a'}{a}=\dfrac{3.45}{2.30}$

$\dfrac{a'}{a}=\dfrac{3}{2}$

$a'=\dfrac{3}{2}\times(2\hat{i}+4.00\hat{j})$

$a'=3\hat{i}+6\hat{j}$

Hence, The acceleration of the wallet is $3\hat{i}+6\hat{j}$

4 0

3 years ago

PLZ help this should be super easy

Ugo [173]

The answer is number (3) if am wrong am sry

4 0

3 years ago

Read 2 more answers

Help me out with this pe question plz :c

blagie [28]

Answer:

the first one is a group 1 and the second one is d all of the above

Explanation:

6 0

3 years ago

Read 2 more answers

State the difference between sensible heat and latent heat

Anna11 [10]

<u>Latent hea</u>t is related to changes in phase between liquids ,gases and solids.

<u>Sensible heat</u> is related to changes in temperature of a gas or object with no change in phase.

6 0

3 years ago