Pamiù (48.3) (4.34) = ( Mil) (Mtct %3D 4.07 (48.3)(v) = (Mo)(5.27) (Młot)(S.27) V 5.6196 48.3( Vp) +(3.2041)() = ( Micd)(5.27) to

University Physics Volume 3
17th Edition
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:William Moebs, Jeff Sanny
Chapter7: Quantum Mechanics
Section: Chapter Questions
Problem 7.1CYU: Check Your Understanding If a=3+4i , what is the product a* a?
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Question

A 48.3 kg student runs down the sidewalk and
jumps with a horizontal speed of 4.34 m/s
onto a stationary skateboard. The student
and skateboard move down the sidewalk with
a speed of 4.07 m/s.


a) Find the mass of the skateboard.
Answer in units of kg.

I got 3.204177 kg

b) How fast would the student have to jump
to have a final speed of 5.27 m/s?
Answer in units of m/s.

I'm getting 5.6196 m/s, but my online homework is prompting me with an incorrect guess.

My work is shown in the picture.

Pamiù
(48.3) (4.34) = ( Mil)
(Mtct
%3D
4.07
(48.3)(v) = (Mo)(5.27)
(Młot)(S.27)
V 5.6196
48.3( Vp) +(3.2041)() = ( Micd)(5.27)
to
Transcribed Image Text:Pamiù (48.3) (4.34) = ( Mil) (Mtct %3D 4.07 (48.3)(v) = (Mo)(5.27) (Młot)(S.27) V 5.6196 48.3( Vp) +(3.2041)() = ( Micd)(5.27) to
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