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Ivanshal [37]
3 years ago
8

The top speed you will ever need to go in a parking lot is_

Physics
1 answer:
Kruka [31]3 years ago
3 0

10 mph i jus got it right on the test

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A horizontal 2.00\ m2.00 m long, 5.00\ kg5.00 kg uniform beam that lies along the east-west direction is acted on by two forces.
Sunny_sXe [5.5K]

Answer: 240\ rad/s^2

Explanation:

Given

Length of beam l=2\ m

mass of beam m=5\ kg

Two forces of equal intensity acted in the opposite direction, therefore, they create a torque of magnitude

\tau =F\times l=200\times 2=400\ N.m

Also, the beam starts rotating about its center

So, the moment of inertia of the beam is

I=\dfrac{ml^2}{12}=\dfrac{5\times 2^2}{12}\\\\I=\dfrac{5}{3}\ kg.m^2

Torque is the product of moment of inertia and angular acceleration

\Rightarrow \tau=I\alpha\\\\\Rightarrow 400=\dfrac{5}{3}\times \alpha\\\\\Rightarrow \alpha =240\ rad/s^2

7 0
3 years ago
If you weigh 38 kilograms on your bathroom scale, your weight in space will be ________.
harina [27]

Answer:

Less than 36kilo's

Explanation:

5 0
2 years ago
A crane raises a crate with a mass of 75 kg to a height of 10 m. Given that the
Crazy boy [7]

Answer: C. 7,350 J

Explanation:

Just did it in Apex

7 0
3 years ago
HELP PLS!!!! Light travels approximately 982,080,000 ft/s, and one year has approximately 32,000,000 seconds. A light year is th
maw [93]

You've already told us the speed in ft/s .  It's right there in the question.  You said that light travels about  982,080,000 ft/s.

We don't know how accurate that number is, but for purposes of THIS question, that's the number we're going with.

In scientific notation, it's written . . . <em>9.8208 x 10⁸ ft/s .</em>

We don't know where you were going with the number of seconds in a year.  But to answer the question that you eventually asked, it turned out that we don't even need it.

6 0
3 years ago
You spill a bucket of soapy water on a marble floor accidentally.Would it make it easier or difficult for you to walk on the flo
stiks02 [169]

Answer:

Of course harder

Explanation:

Just imagone the floor is wet and you walk on it, do u feel it hard or easy to walk? :D

7 0
3 years ago
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