(numbers 19-20) A 60.0 kg person stands at the left end of a 4.0 m long uniform iceboat of mass 40.0 kg. At t=0 the iceboat and person move together as a unit in the +x direction at 3.2 m/s. The surface below the iceboat is frictionless and initially the left end is at x = 0. 19. Find the center of mass position for the person / iceboat system at t = 0. a) 0.8 m b) 1.0 m c) 1.2 m d) 1.6 m e) 2.0 m 20. The person runs to the right, reaching the right end of the iceboat at t = 1 second. What is the position of the left end of the iceboat at this time? a) 0.00 m b) 0.20 m c) 0.40 m d) 0.60 m e) 0.80 m
(numbers 19-20) A 60.0 kg person stands at the left end of a 4.0 m long uniform iceboat of mass 40.0 kg. At t=0 the iceboat and person move together as a unit in the +x direction at 3.2 m/s. The surface below the iceboat is frictionless and initially the left end is at x = 0. 19. Find the center of mass position for the person / iceboat system at t = 0. a) 0.8 m b) 1.0 m c) 1.2 m d) 1.6 m e) 2.0 m 20. The person runs to the right, reaching the right end of the iceboat at t = 1 second. What is the position of the left end of the iceboat at this time? a) 0.00 m b) 0.20 m c) 0.40 m d) 0.60 m e) 0.80 m
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter12: Static Equilibrium And Elasticity
Section: Chapter Questions
Problem 37P: To get up on the roof, a person (mass 70.0 kg) places 6.00-m aluminum ladder (mass 10.0 kg) against...
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19-20. Please help answer these two questions that relate to each other, thank you so much!! :))
Transcribed Image Text:(numbers 19-20) A 60.0 kg person stands at the left end of a 4.0 m long uniform iceboat of
mass 40.0 kg. At t = 0 the iceboat and person move together as a unit in the +x direction at
3.2 m/s. The surface below the iceboat is frictionless and initially the left end is at x = 0.
19. Find the center of mass position for the person / iceboat system at t = 0.
a) 0.8 m
b) 1.0 m
c) 1.2 m
d) 1.6 m
e) 2.0 m
20. The person runs to the right, reaching the right end of the iceboat at t = 1 second. What
is the position of the left end of the iceboat at this time?
a) 0.00 m
b) 0.20 m
c) 0.40 m
d) 0.60 m
e) 0.80 m
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