(a)
Velocity of
(a)
Answer to Problem 35P
Velocity of
Explanation of Solution
Position of the puck before collision.
After the collision of two puck, resolve the component of both the puck in x-y direction.
Write the expression for the conservation of momentum in x direction.
Here,
Substitute
Initially velocity in y direction is zero.
Write the expression for conservation of momentum in y-direction.
Solve above equation for value of
Divide equation (II) by equation (I) for the value of
Solve the above equation for
Conclusion:
Substitute
Substitute
Thus, velocity of
(b)
Fraction of kinetic energy transferred away or transformed to other forms of energy in collision.
(b)
Answer to Problem 35P
Fraction of kinetic energy transferred away or transformed to other forms of energy in collision is
Explanation of Solution
To calculate fraction of kinetic energy , first calculate the change in kinetic energy.
Write the expression for the kinetic energy before collison.
Here,
Write the expression for the final kinetic energy.
Here,
Write the expression for the change in kinetic energy.
Substitute
Fraction of kinetic energy is the ratio of change in kinetic energy to the initial kinetic energy.
Here,
Substitute
Conclusion:
Substitute
Thus, fraction of kinetic energy transferred away or transformed to other forms of energy in collision is
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Chapter 9 Solutions
Physics: for Science.. With Modern. -Update (Looseleaf)
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