During an ice show an 80.0 kg skater leaps into the air and is caught by an initially stationary 85.0 kg skater. (a) What is their final velocity in meters per second assuming negligible friction and that the 80.0 kg skater's original horizontal velocity was 4.00 m/s? (Enter a number.) m/s (b) How much kinetic energy is lost in joules? (Enter a number.)

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Chapter9: Linear Momentum And Collisions
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I need help with this 2 part question. Part (a) and (b). 

During an ice show an 80.0 kg skater leaps into the air and is caught by an initially stationary 85.0 kg skater.
(a) What is their final velocity in meters per second assuming negligible friction and that the 80.0 kg skater's original horizontal velocity was 4.00 m/s? (Enter a number.)
m/s
(b) How much kinetic energy is lost in joules? (Enter a number.)
Transcribed Image Text:During an ice show an 80.0 kg skater leaps into the air and is caught by an initially stationary 85.0 kg skater. (a) What is their final velocity in meters per second assuming negligible friction and that the 80.0 kg skater's original horizontal velocity was 4.00 m/s? (Enter a number.) m/s (b) How much kinetic energy is lost in joules? (Enter a number.)
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