Quizbank/College Physics/I T3study

TrigPhys_I_T3_Study

If you are reading this as a Wikiversity page, proper pagebreaks should result if printed using your browser's print option. On Chrome, Explorer, and Firefox, this option is available in the upper right hand corner of your screen. But, pagebreaks do not render properly if you use "Printable version" on Wikiversity's Print/export option on the left-hand sidebar.

This document contains either a study guide OR pairs of exams taken from the same exam bank: If two exams have the same s-number, then v1 and v2 have the same questions, presented in different (random) order.; Exams with different s-numbers have different questions and may not have the same difficulty.; Click items in the table of contents and appropriate page should be reached. This feature should allow you to print only those pages that you need.

At the end of this document: Attribution for the quizzes identifies where the questions were obtained; Study guide links reading materials and/or relevant equations.

TrigPhys_I_T3_Study-v1s1

Is $dv/d\ell=v/r$ valid for uniform circular motion?

___ a) Yes

___ b) No

Is $dv=|\vec v_2-\vec v_1|$ valid for uniform circular motion?

___ a) Yes

___ b) No

Is $d\ell=vdt$ valid for uniform circular motion?

___ a) Yes

___ b) No

Is $adt/v =vdt/ r$ valid for uniform circular motion?

___ a) Yes

___ b) No

Is $dv=adt$ valid for uniform circular motion?

___ a) Yes

___ b) No

Is $|d\vec v|=adt$ valid for uniform circular motion?

___ a) Yes

___ b) No

Is $d\ell=|\vec r_2-\vec r_1|$ valid for uniform circular motion?

___ a) Yes

___ b) No

Is $d\ell=|\vec r_2|-|\vec r_1|$ valid for uniform circular motion?

___ a) Yes

___ b) No

Is $v/d\ell=r/dv$ valid for uniform circular motion?

___ a) Yes

___ b) No

10.

Is $dv/r=d\ell/v$ valid for uniform circular motion?

___ a) Yes

___ b) No

11.

Is $rd\ell=vdv$ valid for uniform circular motion?

___ a) Yes

___ b) No

12.

Is $dv=|\vec v_2|-|\vec v_1|$ valid for uniform circular motion?

___ a) Yes

___ b) No

13.

Is $d\ell/dv=v/r$ valid for uniform circular motion?

___ a) Yes

___ b) No

14.

Is $dv/d\ell=r/v$ valid for uniform circular motion?

___ a) Yes

___ b) No

15. If the initial velocity after leaving the spring is 7.30 m/s, how high does it reach before coming to rest?

___ a) 2.35 m

___ b) 2.47 m

___ c) 2.59 m

___ d) 2.72 m

___ e) 2.85 m

16. The mass of the cart is 4.0kg, and the spring constant is 6611N/m. If the initial compression of the spring is 2.00m, how high does it reach before coming to rest?

___ a) 3.37E+02 m

___ b) 3.54E+02 m

___ c) 3.72E+02 m

___ d) 3.90E+02 m

___ e) 4.10E+02 m

17. What is the highest point the cart reaches if the speed was 1.6m/s, when the cart was situated at a height of 3.5m?,

___ a) 3.33 m

___ b) 3.50 m

___ c) 3.68 m

___ d) 3.86 m

___ e) 4.05 m

18. The spring constant is 710N/m, and the initial compression is 0.15m. What is the mass if the cart reaches a height of 2.62m, before coming to rest?

___ a) 0.282 kg

___ b) 0.296 kg

___ c) 0.311 kg

___ d) 0.327 kg

___ e) 0.343 kg

19. The cart has a mass of 40.30kg. It is moving at a speed of 3.40m/s, when it is at a height of 3.59m. If the spring constant was 539N/m, what was the initial compression?

___ a) 2.47 m

___ b) 2.65 m

___ c) 2.83 m

___ d) 3.03 m

___ e) 3.24 m

20. You are riding a bicycle on a flat road. Assume no friction or air drag, and that you are coasting. Your speed is 4.9m/s, when you encounter a hill of height 1.14m. What is your speed at the top of the hill?

___ a) 1.084 m/s

___ b) 1.149 m/s

___ c) 1.218 m/s

___ d) 1.291 m/s

___ e) 1.368 m/s

21. On object of mass 2.2 kg that is moving at a velocity of 28m/s collides with a stationary object of mass 18.48 kg. What is the final velocity if they stick? (Assume no external friction.)

___a) 1.72m/s.

___b) 2.07m/s.

___c) 2.48m/s.

___d) 2.98m/s.

___e) 3.57m/s.

22. A car of mass 856 kg is driving on an icy road at a speed of 19 m/s, when it collides with a stationary truck. After the collision they stick and move at a speed of 4.7 m/s. What was the mass of the truck?

___a) 1507 kg

___b) 1809 kg

___c) 2170 kg

___d) 2604 kg

___e) 3125 kg

23.

A 169 gm bullet strikes a ballistic pendulum of mass 2.45 kg (before the bullet struck). After impact, the pendulum rises by 65 cm. What was the speed of the bullet?

___a) 55 m/s.

___b) 59 m/s.

___c) 63 m/s.

___d) 68 m/s.

___e) 73 m/s.

24.

A massless bar of length, S = 8.5m is attached to a wall by a frictionless hinge (shown as a circle). The bar his held horizontal by a string that makes and angle θ = 33.6 degrees above the horizontal. An object of mass, M = 7.3kg is suspended at a length, L = 5.7m from the wall. What is the tension, T, in the string?

___a) 4.34E+01 N

___b) 5.47E+01 N

___c) 6.89E+01 N

___d) 8.67E+01 N

___e) 1.09E+02 N

25.

In the figure shown, L₁ = 5.4m, L₂ = 3.3m and L₃ = 7.4m. What is F₁ if F₂ =7.5N and F₃ =5.4N?

___a) 8.16E+00 N

___b) 9.89E+00 N

___c) 1.20E+01 N

___d) 1.45E+01 N

___e) 1.76E+01 N

26.

A massless bar of length, S = 7.6m is attached to a wall by a frictionless hinge (shown as a circle). The bar his held horizontal by a string that makes and angle θ = 36.8 degrees above the horizontal. An object of mass, M = 7.3kg is suspended at a length, L = 4.9m from the wall. What is the x (horizontal) component of the force exerted by the wall on the horizontal bar?

___a) 4.20E+01 N

___b) 5.09E+01 N

___c) 6.17E+01 N

___d) 7.47E+01 N

___e) 9.05E+01 N

27.

In the figure shown, L₁ = 6.4m, L₂ = 3.4m and L₃ = 7.1m. What is F₂ if F₁ =0.87N and F₃ =0.1N?

___a) 1.43E+00 N

___b) 1.73E+00 N

___c) 2.10E+00 N

___d) 2.54E+00 N

___e) 3.08E+00 N

28.

A massless bar of length, S = 7.7m is attached to a wall by a frictionless hinge (shown as a circle). The bar his held horizontal by a string that makes and angle θ = 28.6 degrees above the horizontal. An object of mass, M = 6.2kg is suspended at a length, L =4.2m from the wall. What is the y (vertical) component of the force exerted by the wall on the horizontal bar?

___a) 2.28E+01 N

___b) 2.76E+01 N

___c) 3.35E+01 N

___d) 4.05E+01 N

___e) 4.91E+01 N

Key to TrigPhys_I_T3_Study-v1s1

Is $dv/d\ell=v/r$ valid for uniform circular motion?

+ a) Yes

- b) No

Is $dv=|\vec v_2-\vec v_1|$ valid for uniform circular motion?

+ a) Yes

- b) No

Is $d\ell=vdt$ valid for uniform circular motion?

+ a) Yes

- b) No

Is $adt/v =vdt/ r$ valid for uniform circular motion?

+ a) Yes

- b) No

Is $dv=adt$ valid for uniform circular motion?

+ a) Yes

- b) No

Is $|d\vec v|=adt$ valid for uniform circular motion?

+ a) Yes

- b) No

Is $d\ell=|\vec r_2-\vec r_1|$ valid for uniform circular motion?

+ a) Yes

- b) No

Is $d\ell=|\vec r_2|-|\vec r_1|$ valid for uniform circular motion?

- a) Yes

+ b) No

Is $v/d\ell=r/dv$ valid for uniform circular motion?

- a) Yes

+ b) No

10.

Is $dv/r=d\ell/v$ valid for uniform circular motion?

- a) Yes

+ b) No

11.

Is $rd\ell=vdv$ valid for uniform circular motion?

- a) Yes

+ b) No

12.

Is $dv=|\vec v_2|-|\vec v_1|$ valid for uniform circular motion?

- a) Yes

+ b) No

13.

Is $d\ell/dv=v/r$ valid for uniform circular motion?

- a) Yes

+ b) No

14.

Is $dv/d\ell=r/v$ valid for uniform circular motion?

- a) Yes

+ b) No

15. If the initial velocity after leaving the spring is 7.30 m/s, how high does it reach before coming to rest?

- a) 2.35 m

- b) 2.47 m

- c) 2.59 m

+ d) 2.72 m

- e) 2.85 m

16. The mass of the cart is 4.0kg, and the spring constant is 6611N/m. If the initial compression of the spring is 2.00m, how high does it reach before coming to rest?

+ a) 3.37E+02 m

- b) 3.54E+02 m

- c) 3.72E+02 m

- d) 3.90E+02 m

- e) 4.10E+02 m

17. What is the highest point the cart reaches if the speed was 1.6m/s, when the cart was situated at a height of 3.5m?,

- a) 3.33 m

+ b) 3.50 m

- c) 3.68 m

- d) 3.86 m

- e) 4.05 m

18. The spring constant is 710N/m, and the initial compression is 0.15m. What is the mass if the cart reaches a height of 2.62m, before coming to rest?

- a) 0.282 kg

- b) 0.296 kg

+ c) 0.311 kg

- d) 0.327 kg

- e) 0.343 kg

19. The cart has a mass of 40.30kg. It is moving at a speed of 3.40m/s, when it is at a height of 3.59m. If the spring constant was 539N/m, what was the initial compression?

+ a) 2.47 m

- b) 2.65 m

- c) 2.83 m

- d) 3.03 m

- e) 3.24 m

- a) 1.084 m/s

- b) 1.149 m/s

- c) 1.218 m/s

+ d) 1.291 m/s

- e) 1.368 m/s

21. On object of mass 2.2 kg that is moving at a velocity of 28m/s collides with a stationary object of mass 18.48 kg. What is the final velocity if they stick? (Assume no external friction.)

-a) 1.72m/s.

-b) 2.07m/s.

-c) 2.48m/s.

+d) 2.98m/s.

-e) 3.57m/s.

-a) 1507 kg

-b) 1809 kg

-c) 2170 kg

+d) 2604 kg

-e) 3125 kg

23.

A 169 gm bullet strikes a ballistic pendulum of mass 2.45 kg (before the bullet struck). After impact, the pendulum rises by 65 cm. What was the speed of the bullet?

+a) 55 m/s.

-b) 59 m/s.

-c) 63 m/s.

-d) 68 m/s.

-e) 73 m/s.

24.

-a) 4.34E+01 N

-b) 5.47E+01 N

-c) 6.89E+01 N

+d) 8.67E+01 N

-e) 1.09E+02 N

25.

In the figure shown, L₁ = 5.4m, L₂ = 3.3m and L₃ = 7.4m. What is F₁ if F₂ =7.5N and F₃ =5.4N?

-a) 8.16E+00 N

-b) 9.89E+00 N

+c) 1.20E+01 N

-d) 1.45E+01 N

-e) 1.76E+01 N

26.

-a) 4.20E+01 N

-b) 5.09E+01 N

+c) 6.17E+01 N

-d) 7.47E+01 N

-e) 9.05E+01 N

27.

In the figure shown, L₁ = 6.4m, L₂ = 3.4m and L₃ = 7.1m. What is F₂ if F₁ =0.87N and F₃ =0.1N?

+a) 1.43E+00 N

-b) 1.73E+00 N

-c) 2.10E+00 N

-d) 2.54E+00 N

-e) 3.08E+00 N

28.

-a) 2.28E+01 N

+b) 2.76E+01 N

-c) 3.35E+01 N

-d) 4.05E+01 N

-e) 4.91E+01 N

Attribution (for quiz questions) under CC-by-SA license

https://en.wikiversity.org/w/index.php?title=Physics_equations/06-Uniform_Circular_Motion_and_Gravitation/Q:derive&oldid=1411691

https://en.wikiversity.org/w/index.php?title=Physics_equations/07-Work_and_Energy/Q:cart1&oldid=1380215

https://en.wikiversity.org/w/index.php?title=Physics_equations/07-Work_and_Energy/Q:cart2&oldid=1380821

http://en.wikiversity.org/w/index.php?title=Physics_equations/18-Electric_charge_and_field/Q:findE&oldid=1378605

Study guide

Physics_equations#Uniform_Circular_Motion_and_Gravitation

http://en.wikiversity.org/wiki/Physics_equations/Sheet/All_chapters

https://en.wikiversity.org/wiki/Physics_equations/Sheet/All_chapters

This article is issued from Wikiversity - version of the Saturday, August 29, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.