Page1 / 20

p201f08hw05b - MasteringPhysics: Assignment Print View Page...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon

p201f08hw05b - MasteringPhysics: Assignment Print View Page...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
IUPhysicsP201F2009 Assignment 5b Due at 11:00pm on Sunday, October 5, 2008 Assignment Display Mode: View Printable Answers View Grading Details Problem 6.57 Description: Early test flights for the space shuttle used a "glider" (mass of 980 kg including pilot) that was launched horizontally at 500 (km)/h from a height of 3500 m. The glider eventually landed at a speed of 200 (km)/h. (a) What would its landing speed. .. Early test flights for the space shuttle used a "glider" (mass of 980 including pilot) that was launched horizontally at 500 from a height of 3500 . The glider eventually landed at a speed of 200 . Part A What would its landing speed have been in the absence of air resistance? Express your answer using two significant figures. ANSWER: = Part B What was the average force of air resistance exerted on it if it came in at a constant glide of 10 to the Earth? ANSWER: = Problem 6.88 Description: Some electric-power companies use water to store energy. Water is pumped by reversible turbine pumps from a low to a high reservoir. (a) To store the energy produced in t hour by a P P * 10^6 (W) electric-power plant, how many cubic meters of. .. Some electric-power companies use water to store energy. Water is pumped by reversible turbine pumps from a low to a high reservoir. Part A To store the energy produced in 3.0 hour by a 150 electric-power plant, how many cubic meters of water will have to be pumped from the lower to the upper reservoir? Assume the upper reservoir is Page 1 of 20 MasteringPhysics: Assignment Print View 9/17/2008 http://session.masteringphysics.com/myct/assignmentPrint?assignmentID=1144577
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
490 above the lower and we can neglect the small change in depths within each. Water has a mass of 1000 for every . Express your answer using two significant figures. ANSWER: = Problem 6.76 Description: An airplane pilot fell h after jumping from an aircraft without his parachute opening. He landed in a snowbank, creating a crater d deep, but survived with only minor injuries. Assuming the pilot's mass was m and his terminal velocity was v_terminal. . .. An airplane pilot fell 390 after jumping from an aircraft without his parachute opening. He landed in a snowbank, creating a crater 1.5 deep, but survived with only minor injuries. Assuming the pilot's mass was 79 and his terminal velocity was 39 . Part A Estimate the work done by the snow in bringing him to rest. Express your answer using two significant figures. ANSWER: = Part B Estimate the magnitude of the average force exerted on him by the snow to stop him. Express your answer using two significant figures. ANSWER: = Part C Estimate the work done on him by air resistance as he fell. Express your answer using two significant figures. ANSWER: = Problem 6.58 Description: (a) How long will it take a P motor to lift a m piano to a sixth-story window y above?
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.
Ask a homework question - tutors are online