Dan is gliding on his skateboard at 2.00 m/s . He suddenly jumps backward off the skateboard, kicking the skateboard forward at 6.00 m/s . Dan's mass is 70.0 kg and the skateboard's mass is 6.00 kg . How fast is Dan going as his feet hit the ground?
Using conservation momentum
MV=m1v1+m2v2 .....1
here M=70+6=76kg, m1=70kg, m2=6kg ,v2=6m/s
put these values in equation ..1
76*2=70v1 +6*6
v1=(152-36)/70
=1.66 m/s answer
Dan is gliding on his skateboard at 2.00 m/s . He suddenly jumps backward off the...
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