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Bumek [7]
3 years ago
15

Can somebody PLEASE answer one of my recent questions! Please don't answer for points!!!!

Physics
2 answers:
juin [17]3 years ago
6 0

Answer:

ok i will no problem

Explanation:

timurjin [86]3 years ago
6 0

Answer:

sure :)

Explanation:

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Two wheels having the same radius and mass rotate at the same angular velocity. One wheel is made with spokes so nearly all the
Mazyrski [523]

Answer:

C. The wheel with spokes has about twice the KE.

Explanation:

Given that

Mass , radius and the angular speed for both the wheels are same.

radius = r

Mass = m

Angular speed = ω

The angular kinetic energy KE given as

KE=\dfrac{1}{2}I\omega ^2

I=Moment of inertia for wheels

Wheel made of spokes

I₁ = m r²

Wheel like a disk

I₂ = 0.5 m r²

Now by comparing kinetic energy

\dfrac{KE_1}{KE_2}=\dfrac{I_1}{I_2}

\dfrac{KE_1}{KE_2}=\dfrac{mr^2}{0.5mr^2}

\dfrac{KE_1}{KE_2}=2

KE₁= 2 KE₂

Therefore answer is C.

5 0
3 years ago
What happens to the particles of a liquid when energy is removed from them?
KonstantinChe [14]

Answer:

D: The distance between the particles decreases

Explanation:

Taking away energy slows down molecules, like how you slow down when you are cold (I think)

3 0
3 years ago
A mover loads a crate onto a truck bed 1.6m from the street using a ramp that is 4.6m long. What is a mechanical advantage?
Ne4ueva [31]

Answer:

Mechanical advantage = 2.875

Explanation:

Given:

A diagram is shown below for the above scenario.

Length of ramp (Effort arm) = 4.6 m

Height of truck bed ( Resistance length) = 1.6 m

Mechanical advantage (MA) is the ratio of effort arm and resistance length.

So, mechanical advantage is given as,

MA=\frac{\textrm{Effort arm}}{\textrm{Resistance length}}= \frac{4.6}{1.6}=2.875

6 0
3 years ago
Which statement BEST describes Miguel Hidalgo?
tatiyna
Miguel Hidalgo was a Priest so I think it would be 1. 
Hope I Helped ( : 
6 0
3 years ago
Read 2 more answers
The ratio of present ages of sunanya
kykrilka [37]

hope it helps

plz mark brainliest

4 0
3 years ago
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