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Tema [17]
3 years ago
14

A basketball is filled with air and has a small hole. Explain why the basketball would leak.

Physics
2 answers:
olga nikolaevna [1]3 years ago
7 0
The basket ball won't leak but the air would. the air will escape while it is being pressured by gravity, or when you bounce it. then the ball wouldn't work. 
Assoli18 [71]3 years ago
4 0
Because it has a small hole and air is like water, an area of higher pressure wants to move to a lower pressure area.
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HELP PLEASE
4vir4ik [10]

Recall this kinematic equation:

a = \frac{Vi+Vf}{Δt}

This equation gives the acceleration of the object assuming it IS constant (the velocity changes at a uniform rate).

a is the acceleration.

Vi is the initial velocity.

Vf is the final velocity.

Δt is the amount of elapsed time.


Given values:

Vi = 0 m/s (the car starts at rest).

Vf = 25 m/s.

Δt = 10 s


Substitute the terms in the equation with the given values and solve for a:

a = \frac{0+25}{10}

<h3>a = 2.5 m/s²</h3>
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3 years ago
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Stolb23 [73]
Asteroid 1 has more mass because the same force exerted caused this asteroid to move less therefore having more mass
3 0
3 years ago
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What form water has the greatest kinetic energy
Ray Of Light [21]

Answer:

Boiling water

Explanation:

Boiling water because it has the most rapid movement.

4 0
3 years ago
How much work would have to be done to bring a 1150kg automobile traveling at 86km/h to a stop?​
krok68 [10]

Explanation:

We have,

Mass of an automobile is 1150 kg

The automobile traveling at 86 km/h and then it comes to stop.

86 km/h = 23.88 m/s

It is required to find work done by the automobile.

Concept used : Work energy theorem

Th change in kinetic energy of an object is equal to the work done by it. The work done is then given by :

W=\dfrac{1}{2}m(v^2-u^2)

Here, v = 0

W=-\dfrac{1}{2}mu^2\\\\W=-\dfrac{1}{2}\times 1150\times (23.88)^2\\\\W=-327896.28\ J

or

W=3.27\times 10^5\ J

Therefore, the work done by the automobile is -3.27\times 10^5\ J.

7 0
3 years ago
Neutron stars are extremely dense objects formed from the remnants of supernova explosions. Many rotate very rapidly. Suppose th
mihalych1998 [28]

Answer:

10989.55932 rad/s

Explanation:

m = Mass of object

M = Mass of neutron star = 2\times 1.989\times 10^{30}\ kg

R = Radius of neutron star = 13000 m

G = Gravitational constant = 6.67 × 10⁻¹¹ m³/kgs²

\omega = Angular speed

Here, the gravitational force will balance the centripetal force

\dfrac{GmM}{R^2}=mR\omega^2\\\Rightarrow \omega=\sqrt{\dfrac{GM}{R^3}}\\\Rightarrow \omega=\sqrt{\dfrac{6.67\times 10^{-11}\times 2\times 1.989\times 10^{30}}{13000^3}}\\\Rightarrow \omega=10989.55932\ rad/s

The greatest possible angular speed an object can have is 10989.55932 rad/s

8 0
3 years ago
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