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kenny6666 [7]
2 years ago
5

Seema knows the mass of basketball. What other information is needed to find the balls potential energy

Physics
2 answers:
Lelu [443]2 years ago
8 0

Answer: The height (position) of the ball and the acceleration due gravity

Explanation:

In this case we are taking about gravitational potential energy, which is the energy a body or object possesses, due to its position in a gravitational field.  In this sense, this energy depends on the relative height of an object with respect to some point of reference and associated with the gravitational force.  

In the case of the Earth, in which the gravitational field is considered constant, the gravitational potential energy U will be:  

U=mgh  

Where:

m is the mass of the ball

g=9.8 m/s^{2} is the acceleration due gravity (assuming the ball is on the Earth surface)

h is the height (position) of the ball respect to a given point

Note the value of the gravitational potential energy is directly proportional to the height.

Zarrin [17]2 years ago
6 0

Answer:

C. acceleration due to gravity and the height the ball reaches

Explanation:

because the potential energy equation is PE=mgh so, if we have m (mass) then all we need is g (gravity) and h (height) so your answer is c

hope this helps☺️

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Find the lowest two frequencies that produce a maximum sound intensity at the positions of Moe and Curly.
Mars2501 [29]

Answer:

hello your question has some missing parts below is the complete question

and the missing diagram

The two speakers emit sound that is 180° out of phase and of a single frequency,ƒ, Find the lowest two frequencies that produce a maximum sound intensity at the positions of Moe and Curly.

answer : 1316.2 hertz

Explanation:

The frequency that produce the maximum sound intensity can be calculated using the relation below

dsin ∅ = n <em>A</em>

where <em>A = </em>dsin ∅ / n  when n = 1 . d = 0.800

<em>A</em> = 0.800 * ( 1 / 3.162 )

<em>A</em> = 0.253 m

speed of sound = 333 m/s

frequency = speed /<em> A</em>

<em>=   </em>333 / 0.253 =  1316.2 hertz

7 0
2 years ago
A box weighing 46 newtons rests on an incline that makes an angle of 25° with the horizontal. What is the magnitude of the compo
saul85 [17]

The magnitude of the component of the box’s weight perpendicular to the incline can be olve using the formula:

F = wcos(a)

Where F is the box’s weight perpendicular to the incline

W is the weight of the box

A is the angle of the incline

F = (46)cos(25)

F = 42 N

8 0
2 years ago
If you pair copper which has an electron affinity of 0.34 and silver which has an electron affinity of 0.80, will you make a str
Alex787 [66]

<u>Answer</u>:

pairing of the copper which has an electron affinity of 0.34 and the silver which has an electron affinity of 0.80 makes a strong battery.

<u>Explanation</u>:

All the Batteries of this world are made with two metals having different-different electron affinities. What do the phrase “electrons affinities ” mean and how do these affinities affect the voltage of the batteries?

The Electron affinities are the energy change that occurs when electrons are added to atoms. The greater the attraction of the atoms to the electrons the more energy would released. If an atom has high electron affinity, the electron will be harder to gain The greater is the difference in metal affinities, the greater the voltage. That means, if you pair Coppers with Silver, the difference between their electron affinities would be (0.80-0.34) or, 0.46 and You can make a strong battery.            

3 0
2 years ago
Explain why is not advisable to use small values of I in performing an experiment on refraction through a glass prism?
Svetradugi [14.3K]
Explain<span> why it is </span>not advisable to use small values<span> of incident ray in </span>performing experiment<span> on the</span>refraction through a glass prism<span>.</span>
6 0
2 years ago
Read 2 more answers
When 30 V is applied across a resistor it generates 600 W of heat: what is the magnitude of its resistance?
grandymaker [24]

Answer:

<h2>1.5 ohms</h2>

Explanation:

Power is expressed as P = V²/R

R = resistance

V = supplied voltage

Given P = 600W and V = 30V

R = V²/P

R = 30²/600

R = 900/600

R = 1.5ohms

magnitude of its resistance is 1.5ohms

3 0
2 years ago
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