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son4ous [18]
3 years ago
12

Seema knows the mass of a basketball. What other information is needed to find the ball’s potential energy? the volume and heigh

t the ball reaches the volume and shape of the ball acceleration due to gravity and the height the ball reaches acceleration due to gravity and the shape of the ball
Physics
2 answers:
Wewaii [24]3 years ago
7 0

 It is because the potential energy is similar to MgH.

 When it comes to MgH, it means mass, gravity and height respectively.

 By using the value of acceleration, seema will find the potential energy of a ball.



Zielflug [23.3K]3 years ago
5 0

Answer:

Acceleration due to gravity and the height the ball reaches

Explanation:

The potential energy of an object can be determined using its mass and the height of the ball it reaches. It is given by :

E_p=m\times g\times h

Where

m = mass of the ball

g = acceleration due to gravity

h = height reached by the ball

Hence, to find the ball’s potential energy she must know the "acceleration due to gravity and the height the ball reaches". Hence, the correct option is (c).

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<u>Explanation:</u>

The kinetic energy can be harnessed; much like some hydro power technologies harness water movement. A way to convert this kinetic energy into electric energy is through piezoelectric. By applying a mechanical stress to a piezoelectric crystal or material an electric current will be created and can be harvested.

Kinetic energy is also generated by the human body when it is in motion. Studies have also been done using kinetic energy and then converting it to other types of energy, which is then used to power everything from flashlights to radios and more.

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3 years ago
A hockey ball accelerates from 0.m/s to 25m/s in 0.05 seconds what is the acceleration of the ball ?
S_A_V [24]

Answer:

500

Explanation:

25/0.05 .

I think this ?

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A long iron bar lies along the x-axis and has current of I = 16.4 A running through it in the +x-direction. The bar is in the pr
Gre4nikov [31]

Answer:

B = 8.0487mT

Explanation:

To solve the exercise it is necessary to take into account the considerations of the Magnetic Force described by Faraday,

The magnetic force is given by the formula

F =BILsin\theta

Where,

B = Magnetic Field

I = Current

L = Length

\theta = Angle between the magnetic field and the velocity, for this case are perpendicular, then is 90 degrees

According to our data we have that

I = 16.4A

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As we know our equation must be modificated to Force per length unit, that is

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Replacing the values we have that

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Solving for B,

B = \frac{0.132}{16.4}

B = 8.0487mT

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