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S_A_V [24]
3 years ago
5

DANIEL HAS A SAMPLE OF PURE COPPER. ITS MASS IS 89.6 GRAMS, AND ITS VOLUME IS 10 CUBIC CENTIMETERS. WHATS THE DENSITY OF THE SAM

PLE

Physics
2 answers:
Vitek1552 [10]3 years ago
6 0
So the formula for density is mass divided by volume, so it would be

olga2289 [7]3 years ago
5 0
8.96 grams/cubic cm
 density= mass/volume
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kolbaska11 [484]

Explanation:

Initial speed of the rocket, u = 0

Acceleration of the rocket, a=25.4\ m/s^2

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v=u+at

v=25.4\times 3.39=86.10\ m/s    

Let x is the initial position of the rocket. Using third equation of kinematics as :

v^2=u^2+2ax_o

x_o=\dfrac{v^2}{2a}

x_o=\dfrac{86.10^2}{2\times 25.4}=145.92\ m  

Let x_o is the position at the maximum height. Again using equation of motion as :

v^2-u^2=2a(x-x_o)

Now a=-g and v and u will interchange

u^2=2g(x-x_o)

x=x_o+\dfrac{u^2}{2g}

x=145.92+\dfrac{(86.10)^2}{2\times 9.8}

x = 524.14 meters

Hence, this is the required solution.

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3 years ago
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Answer:

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Panel A shows a ball shortly after being thrown upward. Panel B shows the same ball in an instant on its way down. Suppose air r
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3 years ago
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Answer

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How does a mirror affect the path of light?
yulyashka [42]

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