What Is the Speed of a Ball After Bouncing Off a Charging Elephant?

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The discussion centers on calculating the speed of a rubber ball after it bounces off a charging bull elephant in an elastic collision scenario. The elephant has a mass of 5230 kg and moves at 4.45 m/s, while the rubber ball has a mass of 0.150 kg and is thrown at 7.91 m/s. Key principles of elastic collisions, including conservation of momentum and conservation of kinetic energy, are essential for solving this problem. The correct application of these principles will yield the final speed of the ball after the collision.

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elastic

a charging bull elephant with mass of 5230 kg comes directly towards you with a speed of 4.45 m/s. you toss a 0.150 kg rubber ball at the elephant with a speed of 7.91 m/s. When the ball bounces back to you what is its speed?

not too sure about how to approach this question.. thanks!
 
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Hi vortec135,

vortec135 said:
elastic

a charging bull elephant with mass of 5230 kg comes directly towards you with a speed of 4.45 m/s. you toss a 0.150 kg rubber ball at the elephant with a speed of 7.91 m/s. When the ball bounces back to you what is its speed?

not too sure about how to approach this question.. thanks!


You've said it is an elastic collision. What is conserved in an elastic collision? What two equations are used in this case?
 

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