(b) (c) From the graph, estimate the total change in momentum experienced by the projectile, due to the compressed gas. The speed of the projectile changes from zero to 270 m s-¹ as it leaves the barrel. What is the change in momentum of the projectile? (d) Compare your answers in (b) and (c) and suggest a possible reason for the difference.
(b) (c) From the graph, estimate the total change in momentum experienced by the projectile, due to the compressed gas. The speed of the projectile changes from zero to 270 m s-¹ as it leaves the barrel. What is the change in momentum of the projectile? (d) Compare your answers in (b) and (c) and suggest a possible reason for the difference.
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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Could you please help with part b? i am unsure as to how to get the average force
![[N94/2/1]
A projectile of mass 3.2 x 10-2 kg is fired from a cylindrical barrel of cross-sectional area
2.8 x 10-4 m² by means of compressed air. The variation with time of the excess pressure p of
the gas in the barrel above atmospheric pressure is shown in the figure below.
(a)
(b)
p/MPa
(c)
60
50
(i)
(ii)
40
30
20
10-
0
Calculate
1.0
2.0
t/ms
3.0
4.0
the maximum force exerted on the projectile,
the acceleration of the projectile which would result from the force calculated in
(i).
From the graph, estimate the total change in momentum experienced by the
projectile, due to the compressed gas.
The speed of the projectile changes from zero to 270 m s-¹ as it leaves the barrel.
What is the change in momentum of the projectile?
(d) Compare your answers in (b) and (c) and suggest a possible reason for the
difference.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fae8c4674-4ec2-4931-8f2d-cb37c2775a46%2Fc93172e2-c0b7-4126-b0bd-9fa0ddaa1888%2Ffxjaap_processed.jpeg&w=3840&q=75)
Transcribed Image Text:[N94/2/1]
A projectile of mass 3.2 x 10-2 kg is fired from a cylindrical barrel of cross-sectional area
2.8 x 10-4 m² by means of compressed air. The variation with time of the excess pressure p of
the gas in the barrel above atmospheric pressure is shown in the figure below.
(a)
(b)
p/MPa
(c)
60
50
(i)
(ii)
40
30
20
10-
0
Calculate
1.0
2.0
t/ms
3.0
4.0
the maximum force exerted on the projectile,
the acceleration of the projectile which would result from the force calculated in
(i).
From the graph, estimate the total change in momentum experienced by the
projectile, due to the compressed gas.
The speed of the projectile changes from zero to 270 m s-¹ as it leaves the barrel.
What is the change in momentum of the projectile?
(d) Compare your answers in (b) and (c) and suggest a possible reason for the
difference.
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