HW H3 E 2D & 3D Motion Begin Date: 7/11/2018 12:01:00 AM Due Date: 9/19/2018 11:
ID: 1880818 • Letter: H
Question
HW H3 E 2D & 3D Motion Begin Date: 7/11/2018 12:01:00 AM Due Date: 9/19/2018 11:59:00 PM End Date: 12/31/2018 11:59:00 PM (796) Problem 8: Find the ranges shown for the projectiles in the figure for an initial speed of 50 m/s at the given initial angles. R- ? m Ctheexpertta.com 33% Part (a) what is the range, in meters, for the projectile with the angle of 150? Grade Summary Deductions Potential 100 cotanOl asinacos0 atan) acotano) sinh) Submissions Attempts remaining: 20 (0% per attempt) detailed view Degrees Radians Hint I give up! Hints:--deduction per hunt. Hints remaining 33% Part (b) what is the range, in meters, for the projectile with the angle of 45 ? 3396 Part (c) what is the range, in meters, for the projectile with the angle of 750?Explanation / Answer
Solution:
A)
Range (R) = u^2 sin2 theta/ g
R=50^2 sin(2*15) /9.8 = 127.55 m Ans
B)
Range (R) = u^2 sin2 theta/ g
R=50^2 sin(2*45) /9.8 = 255.10 m Ans
C)
Range (R) = u^2 sin2 theta/ g
R=50^2 sin(2*75) /9.8 = 127.55 m Ans
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