5) An ice hockey player strikes a puck of mass 170g with his stuck, accelerating it along the ice from rest to speed of 20m/s over a distance of 40cm. What force must he exert (in N)? (Assume the acceleration is constant and without friction) A) 48 B) 72 C) 85 D) 96 E) 57
5) An ice hockey player strikes a puck of mass 170g with his stuck, accelerating it along the ice from rest to speed of 20m/s over a distance of 40cm. What force must he exert (in N)? (Assume the acceleration is constant and without friction) A) 48 B) 72 C) 85 D) 96 E) 57
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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Question
please solve question 5
![14
15
16
17
1) A car initially at rest at a traffic light accelerates at 3m/s when the light turns green. After
4s, the position of the car (in m) is:
A) 24
B) 16
C) 8
2) A ball is dropped from a window 60m above the ground. The velocity of the ball when it strikes the
ground (in m/s) is:
D) 12
E) 6
A) 34.3
В) 24.3
C) 19.6
D) 14.3
3) A ball is kicked from ground level with a velocity of 16m/s at an angle of 30° to the horizontal
direction. When does it reach its greatest higher (in s)?
E) 8.3
A) 0.82
B) 1.63
C) 1.28
D) 1.02
E) 1.84
4) Two vectors, A= 2x+3y and B= 4x-8y. The magnitude of A+B is:
A) 4.3
B) 5.1
C) 7.8
D) 6.4
E) 9.2
5) An ice hockey player strikes a puck of mass 170g with his stuck, accelerating it along the ice from
rest to speed of 20m/s over a distance of 40cm. What force must he exert (in N)? (Assume the
acceleration is constant and without friction)
A) 48
B) 72
С) 85
D) 96
E) 57
6) A 80kg box standing on a floor has a coefficient of static friction of 0.5. A boy approaches the box
and leans horizontally against it. The maximum force the boy can exert before the box begins to slip
(in N) is:
C) 549
D) 332
E) 392
A) 618
B) 425
7) From figure below, the torques due to F1 and F2 relative to point p (in N.m) is:
4m-
2m-
F1=6N
F-8N/30
E) 0
D) 10.1
C) - 11.2
В) 11.2
A) 12.4](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa090f201-ff47-43b2-920d-b2139053dc0b%2Fcb0d2bba-9df2-4fc6-95dd-49ca3093c91c%2F2ixomp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:14
15
16
17
1) A car initially at rest at a traffic light accelerates at 3m/s when the light turns green. After
4s, the position of the car (in m) is:
A) 24
B) 16
C) 8
2) A ball is dropped from a window 60m above the ground. The velocity of the ball when it strikes the
ground (in m/s) is:
D) 12
E) 6
A) 34.3
В) 24.3
C) 19.6
D) 14.3
3) A ball is kicked from ground level with a velocity of 16m/s at an angle of 30° to the horizontal
direction. When does it reach its greatest higher (in s)?
E) 8.3
A) 0.82
B) 1.63
C) 1.28
D) 1.02
E) 1.84
4) Two vectors, A= 2x+3y and B= 4x-8y. The magnitude of A+B is:
A) 4.3
B) 5.1
C) 7.8
D) 6.4
E) 9.2
5) An ice hockey player strikes a puck of mass 170g with his stuck, accelerating it along the ice from
rest to speed of 20m/s over a distance of 40cm. What force must he exert (in N)? (Assume the
acceleration is constant and without friction)
A) 48
B) 72
С) 85
D) 96
E) 57
6) A 80kg box standing on a floor has a coefficient of static friction of 0.5. A boy approaches the box
and leans horizontally against it. The maximum force the boy can exert before the box begins to slip
(in N) is:
C) 549
D) 332
E) 392
A) 618
B) 425
7) From figure below, the torques due to F1 and F2 relative to point p (in N.m) is:
4m-
2m-
F1=6N
F-8N/30
E) 0
D) 10.1
C) - 11.2
В) 11.2
A) 12.4
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