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A projectile with mass 7 kg is fired from a catapult at an enemy's castle. The position of the projectile's location is recorded at six different times. All distances have been measured in meters. 1 =< 60, 176.5, 0> mat t = 1s, 2 = 100, 199,0> m at t = 2s, 3= 180, 163,0> mat t = 4s, 4 =< 260, 19, 0> mat t = 6s, 5 = 340, -233,0> m at t = 8s, 6 = 380,-399.5, 0> m at t = 9s. (a) Calculate the average velocity at positions 1, 2, and 3. At position 1: < 60 176.5 At position 2: < 40 0 0 0 At position 3: < 40 (b) Calculate the average force on the projectile as it moves from position 1 to 3. 0 > N !! > m/s > m/s !! > m/s

A projectile with mass 7 kg is fired from a catapult at an enemy's castle. The position of the projectile's location is recorded at six different times. All distances have been measured in meters. 1 =< 60, 176.5, 0> mat t = 1s, 2 = 100, 199,0> m at t = 2s, 3= 180, 163,0> mat t = 4s, 4 =< 260, 19, 0> mat t = 6s, 5 = 340, -233,0> m at t = 8s, 6 = 380,-399.5, 0> m at t = 9s. (a) Calculate the average velocity at positions 1, 2, and 3. At position 1: < 60 176.5 At position 2: < 40 0 0 0 At position 3: < 40 (b) Calculate the average force on the projectile as it moves from position 1 to 3. 0 > N !! > m/s > m/s !! > m/s

Principles of Physics: A Calculus-Based Text
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter1: Introduction And Vectors
Section: Chapter Questions
Problem 55P
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A projectile with mass 7 kg is fired from a catapult at an enemy's castle. The position of the projectile's location is recorded at six different times. All distances have been measured in meters. 1 =< 60, 176.5, 0> m at t = 1s, 2 = 100, 199,0 > m at t = 2s, 3 = 180, 163,0> m at t = 4s, 4 = 260, 19,0> mat t = 6s, 5 = 340, -233,0> mat t = 8s, 6 =< 380,-399.5, 0> m at t = 9s. (a) Calculate the average velocity at positions 1, 2, and 3. At position 1: < 60 At position 2: < 40 At position 3: < 40 ⠀⠀ 176.5 0 0 0 0 (b) Calculate the average force on the projectile as it moves from position 1 to 3. > N > m/s > m/s > m/s
Transcribed Image Text:A projectile with mass 7 kg is fired from a catapult at an enemy's castle. The position of the projectile's location is recorded at six different times. All distances have been measured in meters. 1 =< 60, 176.5, 0> m at t = 1s, 2 = 100, 199,0 > m at t = 2s, 3 = 180, 163,0> m at t = 4s, 4 = 260, 19,0> mat t = 6s, 5 = 340, -233,0> mat t = 8s, 6 =< 380,-399.5, 0> m at t = 9s. (a) Calculate the average velocity at positions 1, 2, and 3. At position 1: < 60 At position 2: < 40 At position 3: < 40 ⠀⠀ 176.5 0 0 0 0 (b) Calculate the average force on the projectile as it moves from position 1 to 3. > N > m/s > m/s > m/s
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