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r-ruslan [8.4K]
2 years ago
5

What are the blue or red big dancing thing infront of a car wash called thank you

Physics
2 answers:
Alenkinab [10]2 years ago
6 0
it’s called a tube man
barxatty [35]2 years ago
5 0

Answer:They are called Inflatable Tube Men

Explanation:

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Read 2 more answers
A basketball player jumps 76cm to get a rebound. How much time does he spend in the top 15cm of the jump (ascent and descent)?
vesna_86 [32]

Answer:

The time for final 15 cm of the jump equals 0.1423 seconds.

Explanation:

The initial velocity required by the basketball player to be able to jump 76 cm can be found using the third equation of kinematics as

v^2=u^2+2as

where

'v' is the final velocity of the player

'u' is the initial velocity of the player

'a' is acceleration due to gravity

's' is the height the player jumps

Since the final velocity at the maximum height should be 0 thus applying the values in the above equation we get

0^2=u^2-2\times 9.81\times 0.76\\\\\therefore u=\sqrt{2\times 9.81\times 0.76}=3.86m/s

Now the veocity of the palyer after he cover'sthe initial 61 cm of his journey can be similarly found as

v^{2}=3.86^2-2\times 9.81\times 0.66\\\\\therefore v=\sqrt{3.86^2-2\times 9.81\times 0.66}=1.3966m/s

Thus the time for the final 15 cm of the jump can be found by the first equation of kinematics as

v=u+at

where symbols have the usual meaning

Applying the given values we get

t=\frac{v-u}{g}\\\\t=\frac{0-1.3966}{-9.81}=0.1423seconds

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3 years ago
Which of the following is a vector?<br> 7 meters<br> 0.007 cm<br> 7x 106m<br> 7 miles Northwest
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Answer:

7 miles northeast is the because it has both magnitude and direction .

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