lass Management Help mework 7 Begin Date: 3/16/2018 9:00:00 AM-Due Date: 4/3/201

Question

lass Management Help mework 7 Begin Date: 3/16/2018 9:00:00 AM-Due Date: 4/3/2018 11:59:00 PM End Date:4/3/2018 11:59:00 PM (694) Problem 4: Suppose an airplane has a mass of 2.15 x 10 kg. 50% Part (a) At what speed in meters per second, would the airplane have to fly to have a momentum of 1.3 x 109 kg ms? This is the ypical momentum of a large military battleship Crade Summary Deductions 09 Potential 100 7 8 9 sin ao cotan asin acoso atan acotan sinh0 tanh Submissions Attempts remaining (0% per attempt) detailed view cosh Degrees O Radians Submit Hint I give up ts. 2% deduction per hint Hints remaining: Feedback:2 deduction per feedback. à 509% Part (b) What is the plane's momentum, in kilogram meters per second, when it is taking off at a speed of $2.5 m/s? AIL consent © 201

Explanation / Answer

here,

mass of plane , m = 2.15 * 10^4 kg

a)

let the speed of airplane be v

momentum = m * v

1.3 * 10^9 = 2.15 * 10^4 * v

solving for v

v = 6.05 * 10^4 m/s

b)

the taking off speed , v = 52.5 m/s

the plane's momentum , P = m * v

P = 1.13 * 10^6 kg.m/s

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