2. A 2 kg mass travelling at 8 m/s [ W ] collides head on in...
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2. A 2 kg mass travelling at 8 m/s [ W ] collides head on in an elastic collision (in a closed system) with a 4 kg mass travelling at 4 m/s [E]. Determine the velocity of each mass after the collision. (6 marks) 3. A toy dart of mass .1 kg is loaded in a toy dart gun. A spring (k = 250 N/m) is compressed 6.0 cm and then released (8 marks) a) How much work was required to load the dart? b) How fast is the dart travelling when it leaves the gun (assume spring has returned to original length) c) If the dart was shot horizontally from a height of 2.0 m how fast is it travelling as it hits the ground? Use your choice of methods 2. A 2 kg mass travelling at 8 m/s [ W ] collides head on in an elastic collision (in a closed system) with a 4 kg mass travelling at 4 m/s [E]. Determine the velocity of each mass after the collision. (6 marks) 3. A toy dart of mass .1 kg is loaded in a toy dart gun. A spring (k = 250 N/m) is compressed 6.0 cm and then released (8 marks) a) How much work was required to load the dart? b) How fast is the dart travelling when it leaves the gun (assume spring has returned to original length) c) If the dart was shot horizontally from a height of 2.0 m how fast is it travelling as it hits the ground? Use your choice of methods
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Related Book For
Thermodynamics An Interactive Approach
ISBN: 978-0130351173
1st edition
Authors: Subrata Bhattacharjee
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