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Alex17521 [72]
3 years ago
12

you apply the same amount of heat to five grams of water and five grams of aluminum the temperature of the aluminum increases mo

re than the temp of the water what can you conculde
Physics
2 answers:
Triss [41]3 years ago
6 0
I can conclude that the aluminum heats up faster then the water, since how they are made up is more different, each has a different compound to it, plus water is more denser<span />
blondinia [14]3 years ago
6 0

Answer:

As we know that heat given to a substance is given by the formula as

Q = m C\Delta T

now we know that

\Delta T = \frac{Q}{m C}

now we know that aluminium and water both are of same mass and both are given same amount of heat so the value of Q and m will be same.

So here we can say that change in temperature depends inversely on the specific heat capacity.

So here if more specific heat capacity then there will be less change in temperature.

so we can conclude that since temperature of aluminium increases more so the specific heat capacity of aluminium will be less than that of water.

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4. Una cuerda de acero de piano mide 1.60 m de longitud y 0.20 cm de diámetro. ¿Cuál es la tensión en la cuerda si se estira 0.2
bazaltina [42]

Answer:

1030.83\ \text{N}

Explanation:

\Delta L = Cambio en la longitud de la cuerda = 0.25 cm

T = tensión en cuerda

A = Área de la cadena = \dfrac{\pi}{4}d^2

d = Diámetro de la cuerda = 0.2 cm

L = Longitud original de la cuerda = 1.6 m

El cambio de longitud de una cuerda viene dado por

\Delta L=\dfrac{TL}{AE}\\\Rightarrow T=\dfrac{\Delta LAE}{L}\\\Rightarrow T=\dfrac{0.25\times 10^{-2}\times \dfrac{\pi}{4}(0.2\times 10^{-2})^2\times 210\times 10^9}{1.6}\\\Rightarrow T=1030.84\ \text{N}

La tensión en la cuerda es 1030.84\ \text{N}.

8 0
3 years ago
Which of the following is the best thermal insulator?
Vera_Pavlovna [14]

B. Aluminum is possibly correct

4 0
3 years ago
Write a general scientific question that you will answer by doing this experiment.
il63 [147K]

Answer:

How does newtons first two laws of motion apply to the toy car?

Explanation:

7 0
3 years ago
Help meee please please please
ehidna [41]
A) le ha dado a conocer el nombre del director del festival del río y en la ciudad del sur del mar de la plata en el centro del mar del sur sur del sur y el mar de la sierra del mar de la plata del mar del plata
8 0
2 years ago
A velocity selector, in which charged particles of a specific speed pass through undeflected while those of greater or lesser sp
uranmaximum [27]

Answer:

a) 351351.35m/s

b) 1.044*10^{-8}kg/C

Explanation:

a) Electric force and magnetic force over the charge must have the same magnitude. From there we can compute the seep of the charge.

F_E=F_B\\\\qE=qvB\\\\v=\frac{E}{B}=\frac{1.95*10^{5}V/m}{0.555T}=351351.35\frac{m}{s}

b) the mass-charge ratio is given by:

\frac{m}{q}=\frac{rB}{v}=\frac{(6.61*10^{-3}m)(0.555T)}{351351.35m/s}=1.044*10^{-8}\frac{kg}{C}

hope this helps!!

5 0
3 years ago
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