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3 years ago

PLEASE HELP ASAP!!! CORRECT ANSWER ONLY PLEASE!!!

Physics

2 answers:

EleoNora [17]3 years ago

8 0

The basketball is gaining kinetic and losing potential energy is the answer

Radda [10]3 years ago

4 0

Answer: Option (A) is the correct answer.

Explanation:

Kinetic energy is the energy obtained by an object due to the motion of its particles. Whereas potential energy is the energy obtained by an object due to its position.

At point A basket ball is at rest so, it will have maximum kinetic energy.

When the basket ball bounces from position A to position B then potential energy will convert into kinetic energy.

Thus, we can conclude that as the basketball bounces up from A to B it is gaining kinetic energy and loosing potential energy as it bounces up.

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Verizon [17]

Answer:

Displacement: 2.230 km Average velocity: 1.274 $\frac{km}{h}$

Explanation:

Let's represent displacement by the letter S and the displacement in direction 49.7° as A. Displaement is a vector, so we need to decompose all the bird's displacement into their X-Y compoments. Let's go one by one:

0.916 km due east is an horizontal direction and cane be seen as direction towards the negative side of X-axis.

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3.52 km in a direction of 49.7° has components on X and Y axes. It is necessary to break it down using trigonometry,

First of all. We need to sum all the X components and all the Y componets.

∑ $Sx = Ax -0.916$ ⇒ ∑ $Sx = [tex]3.52cos(49.7) - 0.916$

∑ $Sx = 1.361 km$

∑ $Sy = Ay - 0.918$ ⇒ ∑ $Sy = 3.52sin(49.7) - 0.918$

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The total displacement is calculated using Pythagoeran therorem:

$S_{total} =\sqrt{Sx^{2}+ Sy^{2} }$ ⇒

$S_{total} = 2.230 km$

With displacement calculated, we can find the average speed as follows:

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