Question 1 - At a certain instant a particle of mass 5 Kg is moving in the +x direction with a speed of 15 m/s. During the next 30 sec two constant forces, < 20, 21, 1 > N and <-10, 2, 30> N, act on the particle. What is the: 0 ₁ = < 15 E) = < 75 The initial velocity of the particle in a vector form: 0 , 0 initial momentum 0 0 > m/s of the particle in a vector form: kg m/s +

Classical Dynamics of Particles and Systems
5th Edition
ISBN:9780534408961
Author:Stephen T. Thornton, Jerry B. Marion
Publisher:Stephen T. Thornton, Jerry B. Marion
Chapter2: Newtonian Mechanics-single Particle
Section: Chapter Questions
Problem 2.38P: The speed of a particle of mass m varies with the distance x as υ(x) = αx−n. Assume υ(x = 0) = 0 at...
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Question 1
- At a certain instant a particle of mass 5 Kg is moving in the +x direction with a speed of 15 m/s.
During the next 30 sec two constant forces, < 20, 21, 1 > N and <-10, 2, 30> N, act on the particle.
What is the:
1)
U₁ = < 15
2)
P₁ = < 75
3)
È Net
= <
4)
7 = < 300
5)
The initial velocity of the particle in a vector form:
6)
|PJ| =
0,0
> m/s
initial momentum of the particle in a vector form:
> kg m/s
net force acting on the particle:
31
N
impulse applied to the particle at the end of this 30 s interval
kg m/s
final momentum of the particle at the end of this 30 s interval
930 > kg m/s
magnitude of the final momentum of the particle at the end of this 30 s interval
kg m/s
10
=< 375
1217.22
0
690
23
690
0
930
♦
Transcribed Image Text:Question 1 - At a certain instant a particle of mass 5 Kg is moving in the +x direction with a speed of 15 m/s. During the next 30 sec two constant forces, < 20, 21, 1 > N and <-10, 2, 30> N, act on the particle. What is the: 1) U₁ = < 15 2) P₁ = < 75 3) È Net = < 4) 7 = < 300 5) The initial velocity of the particle in a vector form: 6) |PJ| = 0,0 > m/s initial momentum of the particle in a vector form: > kg m/s net force acting on the particle: 31 N impulse applied to the particle at the end of this 30 s interval kg m/s final momentum of the particle at the end of this 30 s interval 930 > kg m/s magnitude of the final momentum of the particle at the end of this 30 s interval kg m/s 10 =< 375 1217.22 0 690 23 690 0 930 ♦
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