A block with mass 4 kg slides along horizontal and frictionless surface with a constant speed of 10 m/s and strikes the stationary box with mass 2 kg on the same surface. 25% of the kinetic energy is lost during the collision. Find the speed of block after collision?

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Chapter1: Units, Trigonometry. And Vectors
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A block with mass 4 kg slides along horizontal and frictionless surface with a constant speed of 10 m/s and strikes the
stationary box with mass 2 kg on the same surface. 25% of the kinetic energy is lost during the collision. Find the speed
of block after collision?
Select one:
a. 3.88 m/s
b. 4.56 m/s
C. 4.19 m/s
d. 5.00 m/s
e. 5.61 m/s
N
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Transcribed Image Text:Question 4 Not yet answered Marked out of 5.00 Flag question A block with mass 4 kg slides along horizontal and frictionless surface with a constant speed of 10 m/s and strikes the stationary box with mass 2 kg on the same surface. 25% of the kinetic energy is lost during the collision. Find the speed of block after collision? Select one: a. 3.88 m/s b. 4.56 m/s C. 4.19 m/s d. 5.00 m/s e. 5.61 m/s N Previous page
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