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?
Related questions
Topic Video
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.
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