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jekas [21]
3 years ago
15

What is the shortest distance d you need to walk forward to be at a point where you cannot hear the speakers? the forward direct

ion is defined as being perpendicular to a line joining the two speakers and you start walking from the line that joins the two speakers?
Physics
2 answers:
umka21 [38]3 years ago
5 0
Well, if they're deaf then they don't need to take a step at all
Margarita [4]3 years ago
3 0
Walk forward then stop walking to get there.
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A basketball has a coefficient of restitution of 0.821 in collisions with the wood floor of a basketball court. The ball is drop
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Explanation:

The coefficient of restitution denoted by (e), is the ratio that shows the  final velocity to initial relative velocity between two objects after collision

IT is given by the formula in terms of height as

Coefficient of Restitution, e  = √(2gh))/√(2gH) = √(h/H)

Where

Coefficient of Restitution, e= 0.821

H = 2.07 m

At fourth bounce ,   we have that

Coefficient of Restitution, e⁴  =√(h₄/H)  

Putting the given values and solving , we have,

e⁴  =√(h₄/H)  

= 0.821⁴ = √(h₄/2.07)

 (0.821⁴ )² =h₄/2.07

0.2064 x 2.07 = 0.427 = 0.43

At  fourth bounce,  h₄ height = 0.43m

7 0
3 years ago
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ahrayia [7]

Answer:

Elements in a period have wide range of chemical properties.

Explanation:

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