2 years ago

I NEED HELP ASAP PLEASE!!! (19 pts!)

Physics

1 answer:

zhenek [66]2 years ago

5 0

They go in the boxes in this order:
density
2.meter
3.matter
4.hypothesis
5.control
6.kilogram

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A thin spherical shell has a radius of 0.70 m. An applied torque of 860 N m gives the shell an angular acceleration of 4.70 rad/

Artyom0805 [142]

Answer:

$I=182.97\ kg-m^2$

Explanation:

Given that,

Radius of a spherical shell, r = 0.7 m

Torque acting on the shell, $\tau=860\ N$

Angular acceleration of the shell, $\alpha =4.7\ m/s^2$

We need to find the rotational inertia of the shell about the axis of rotation. The relation between the torque and the angular acceleration is given by :

$\tau=I\alpha$

I is the rotational inertia of the shell

$I=\dfrac{\tau}{\alpha }\\\\I=\dfrac{860}{4.7}\\\\I=182.97\ kg-m^2$

So, the rotational inertia of the shell is $182.97\ kg-m^2$ .

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You need to know the height of a tower, but darkness obscures the ceiling. You note that a pendulum extending from the ceiling a

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Answer:

L=55.9m

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2 years ago

A 0.0414 kg ingot of metal is heated to 243◦C

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Answer:

448 J/kg/°C

Explanation:

m₁ C₁ (T₁ − T) + m₂ C₂ (T₂ − T) = 0

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