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Kryger [21]
3 years ago
8

What happens when a ball colloids with another ball

Physics
2 answers:
aleksley [76]3 years ago
4 0
The impact from one ball will send the other ball flying but stop the one that hit it
guajiro [1.7K]3 years ago
3 0

Explanation:

the impact cull ball stop,bit transfer all of it

momentum and kinetic energy to the another ball resunting in the hit ball rolling with the initial speed of the cue ball .

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A pitcher can throw a baseball at about 90 miles/hour (about 39.6 m/s). What is the ratio of the kinetic energy to the rest ener
tester [92]

Answer:

8.71*10^{-15}

Explanation:

The rest energy is the energy associated with the base ball at zero velocity which is expressed as

Rest energy=mc^{2}\\

Note: the speed C is the speed of light which is expressed as 3*10^8

while the kinetic energy is the energy associated with the ball during its motion and is expressed as

Kinetic energy=1/2mv^{2}

the ratio can be expressed as

\frac{Kinetic Energy}{Rest Energy}=\frac{\frac{1}{2}mv^{2} }{mc^{2}}\\since V=39.6m/s\\C=3*10^{8}m/s\\\frac{Kinetic Energy}{Rest Energy}=\frac{\frac{1}{2}39.6^{2} }{(3*10^8)^{2}} \\\frac{Kinetic Energy}{Rest Energy}=\frac{784.08}{9*10^{16}} \\\frac{Kinetic Energy}{Rest Energy}=8.71*10^{-15}

5 0
4 years ago
At a given instant the bottom A of the ladder has an acceleration aA = 4 f t/s2 and velocity vA = 6 f t/s, both acting to the le
Nana76 [90]

Answer:

Acceleration=24.9ft^2/s^2

Angular acceleration=1.47rads/s

Explanation:

Note before the ladder is inclined at 30° to the horizontal with a length of 16ft

Hence angular velocity = 6/8=0.75rad/s

acceleration Ab=Aa +(Ab/a)+(Ab/a)t

4+0.75^2*16+a*16

0=0.75^2*16cos30°-a*16sin30°---1

Ab=0+0.75^2sin30°+a*16cos30°----2

Solving equation 1

(0.75^2*16cos30/16sin30)=angular acceleration=a=1.47rad/s

Also from equation 2

Ab=0.75^2*16sin30+1.47*16cos30=24.9ft^2/s^2

6 0
3 years ago
it takes a school bus full of kids longer to stop than it does a small car with a single passenger. which law is this an example
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Newton´s second law of motion

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Trava [24]

Answer:

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Explanation:

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4 years ago
Can someone help me answer this??
Bingel [31]

Answer:

<h2>3,2 oky na dekh Lena ek bar</h2><h2>2,5</h2>
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