t=rF sin(0) 1. An astronaut in her space suit has a total mass of 87 kg, including her suit and oxygen tank. Her tether line loses its attachment to her spacecraft while she's on a space walk. Initially at rest with respect to her spacecraft, she throws her 12 kg oxygen tank away from herself with a speed of 8 m/s to propel herself back towards it. Determine her velocity as she moves back towards the spacecraft. (use conservation of momentum)
t=rF sin(0) 1. An astronaut in her space suit has a total mass of 87 kg, including her suit and oxygen tank. Her tether line loses its attachment to her spacecraft while she's on a space walk. Initially at rest with respect to her spacecraft, she throws her 12 kg oxygen tank away from herself with a speed of 8 m/s to propel herself back towards it. Determine her velocity as she moves back towards the spacecraft. (use conservation of momentum)
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Please assist with question 2 with details on how to do it. Thank you.
Transcribed Image Text:P = mi
w = wo + at
Momentum
(m₁v₁ + m₂v₂)₁ = (m₂v₁ + m₂V₂)ƒ
Angular kinematics
A0 = wot + .Sat²
w² = w² + 2a40
Torque
T = rF sin(0)
1. An astronaut in her space suit has a total mass of 87 kg, including her suit and oxygen
tank. Her tether line loses its attachment to her spacecraft while she's on a space walk.
Initially at rest with respect to her spacecraft, she throws her 12 kg oxygen tank away
from herself with a speed of 8 m/s to propel herself back towards it. Determine her
velocity as she moves back towards the spacecraft. (use conservation of momentum)
2. A dentist's drill starts from rest. After 3.2 s of constant angular acceleration, it turns at a
rate of 2,628 rad/s. Find the drills angular acceleration
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