Q. 28

Expert-verifiedFound in: Page 288

Book edition
4th

Author(s)
Randall D. Knight

Pages
1240 pages

ISBN
9780133942651

Dan is gliding on his skateboard at . He suddenly jumps backward off the skateboard, kicking the skateboard forward at . How fast is Dan going as his feet hit the ground? Dan’s mass is and the skateboard’s mass is

The sped of the Dan is

We have given,

We have to find the Dan final speed.

According to conservation law of momentum that the initial momentum of the system will be same to the final momentum of the system.

then, we can write

the initial momentum of the system will be given as,

then, the final momentum will be,

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