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jek_recluse [69]
3 years ago
9

A solid plastic ball hits a stationary tennis ball in a perfectly elastic collision. If the mass of the plastic ball is three ti

mes that of the tennis ball, which statement is true? The two balls separate but continue to move in the same direction. The two balls stick and move together. The plastic ball stops and the tennis ball starts moving. The plastic ball moves backward.
Physics
2 answers:
matrenka [14]3 years ago
4 0

Answer: The two balls separate but continue to move in the same direction.

Explanation: due to the mass of the plastic ball the stationary tennis ball gets energy from the collision which make it move away from the plastic ball due to its elastic property

ivanzaharov [21]3 years ago
3 0

The two balls separate but continue to move in the same direction

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The x -component of the object's acceleration is 2 m/s².

<h3>What's the resultant force along x- direction?</h3>
  • Forces along x axis direction are as follows
  1. 4N along +x axis, so it's taken as +4 N
  2. 2N along -x axis , so it's taken as -2N.
  • Resultant force along x direction = 4N - 2N = 2 N which is along + ve x direction.

<h3>What's the acceleration along x axis direction?</h3>
  • As per Newton's second law, Force = mass × acceleration of the object
  • Force along x axis= mass × acceleration along x axis= 2N
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Thus, we can conclude that the acceleration along x axis is 2 m/s².

Disclaimer: The question was given incomplete on the portal. Here is the complete question.

Question: The forces in (Figure 1) are acting on a 1.0 kg object. What is ax, the x-component of the object's acceleration?

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Answer:

T^2 \propto L

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T\propto \sqrt{L}\\T\propto \frac{1}{\sqrt{g}}

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