PHYSICS 11 WORKSHEET!

Physics 11 Worksheet! - Science
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Hi there! I have a physics 11 test online. It should be pretty easy if you have experience with physics, I just really dont have time to do it. Please show your work on all the answers. You can complete this on a separate paper, write on it online or however youd like to do it is fine with me! thanks so much. physics11__test_module__3_a.doc Unformatted Attachment Preview Physics 11 Module 3 Test A On-Line Course Physics 11 MODULE 3 Test A Name__________________ Multiple Choice Section __ ________ 24 Written Response Section ________ 31 Total ______ = _________\% 55 Examination Instructions: When using your calculator: • use the programmed value of  rather than the approximation of 3.14. • rounding should occur only in the final step of the solution. Diagrams are not necessarily drawn to scale. FORMULA SHEET IS PROVIDED AT END OF EXAM Version 1 Page 1 of 16 Test A Physics 11 Module 3 Test A On-Line Course PART A: MULTIPLE CHOICE INSTRUCTIONS: For each question, select the best answer and record your choice in the space provided. 1. An object of mass 7.00 kg is lifted 6.00 m vertically upward. How much work is done to lift the object? A. 4.29 J B. 11.4 J C. 42.0 J D. 412 J 1. ____________ 2. A student uses a force of 25.0 N to move a 3.0 kg object through a distance of 2.0 m in a straight line. A friction force of 6.5 N acts against the motion. How much work was done by the student? A. 150 J B. 50 J C. 37 J D. 13 J 2. ____________ 3. A curling stone of mass 20 kg slides along the ice a distance of 28 m before coming to a stop. If the coefficient of friction between stone and ice is  = 0.085, how much work was done by friction to bring the stone to a stop? A. 17 J B. 48 J C. 470 J D. 560 J 3. ____________ 4. A carpenter holds a 21 kg sheet of plywood stationary against a 2.5 m-high ceiling for 35 s while her partner nails it in place. How much work was done by the carpenter in the 35 s? A. 0 J B. 15 J C. 53 J D. 510 J 4. ____________ Version 1 Page 2 of 16 Test A Physics 11 Module 3 Test A On-Line Course 5. The graph to the right shows the force applied to a 3.5-kg mass initially at rest but free to move on a horizontal surface. 50.0 Applied Force (N) 25.0 0 10.0 Distance (m) 20.0 How much work is done on the mass after it has travelled 20.0 m? A. 250 J B. 375 J C. 500 J D. 625 J 5. ____________ 6. A 15.0 kg cart increases its speed from 3.70 m/s to 6.10 m/s. What work was done against inertia? A. 43 J B. 103 J C. 176 J D. 279 J 6. ____________ 7. In the diagram shown, a student pulls a 65.0 kg crate as shown over a distance of 17.0 m along a horizontal surface. How much work was done in moving this crate if the applied force used is 124 N? A. B. C. D. Fapp = 124 N 28.0° 9.90 x 102 J 1.11 x 103 J 1.86 x 103 J 2.11 x 103 J 7. ___________ Version 1 Page 3 of 16 Test A Physics 11 Module 3 Test A On-Line Course 8. A basketball with a mass of 2.00 kg is given a velocity of 15.0 m/s2. What is the ball’s kinetic energy? A. B. C. D. E. 2.00 J 15.0 J 30.0 J 225 J 450 J 8. ____________ 9. A 30 N force moves an object through a distance of 10 m in 20 s. What power was used? A. 15 W B. 60 W C. 300 W D. 600 W 9. ____________ 10. Two students, each of the same mass, climb to the top of a climbing wall. Student A reaches the top in 2 minutes, while Student B climbs the same wall in 3 minutes. How does their work done and power used compare to each other? A. B. C. D. Work Done Equal for both Greater for Student A Greater for Student B Greater for Student B Power Used Greater for Student A Greater for Student B Equal for both Greater for Student A 10. ____________ 11. A motor uses 26 W of power to lift an object 4.0 m straight up in a time of 120 s. What is the mass of the object? A. B. C. D. 0.87 kg 80 kg 780 kg 3100 kg 11. ____________ Version 1 Page 4 of 16 Test A Physics 11 Module 3 Test A On-Line Course 12. A golf ball is hit from point X toward the green along a level fairway, as shown below. X Where does the golf ball have the greatest potential energy? A. B. C. D. When it leaves the golf club at point X. When it first hits the green. When it comes to rest on the green. At the highest point in its flight. 12. ____________ 13. The work done against inertia in tossing a 1.5 kg bowling ball from rest is 12 J. What is the ball’s velocity just after being tossed? A. B. C. D. E. 2.0 m/s 2.8 m/s 4.0 m/s 8.0 m/s 18 m/s 13. ____________ 14. A cyclist coasts from rest down a steep hill. If friction and wind resistance is ignored, as the cyclist is coasting down the hill, which one of the following statements is false? A. B. C. D. The total energy of the cyclist decreases. The gravitational potential energy of the student decreases. The kinetic energy of the student increases. Gravitational potential energy is converted into kinetic energy. 14. ____________ Version 1 Page 5 of 16 Test A Physics 11 Module 3 Test A On-Line Course 15. In the diagram to the right, a pendulum with a “bob” of mass 2.3 kg is pulled back to position X. 15 m X What is the gravitational potential energy of the pendulum bob, relative to point Y? Y 4.0 m 10 m A. B. C. D. E. 8.6 J 23 J 35 J 90 J 230 J 15. ____________ 16. A 21 kg child slides down a slide from a height of 1.8 m. If the child’s speed at the bottom of the slide is 5.0 m/s, how much energy was transformed into heat energy by friction? A. 9.3 J B. 110 J C. 260 J D. 370 J 16. ____________ 17. A mechanic gives a car jack system an input energy of 2200 J. Because of this, the jack gives one end of a car a potential energy of 1400 J. What is the efficiency of the jack system? A. 1.6\% B. 14\% C. 36\% D. 64\% 17. ____________ Version 1 Page 6 of 16 Test A Physics 11 Module 3 Test A On-Line Course 18. A 1200 kg car travels at a constant speed of 26.0 m/s for 5.00 s up a 130 m-long hill. The total height of the hill is 27.0 m, and the friction force acting on the car is 2520 N. 130 m 27.0 m What power was used by the car in travelling up the hill? A. B. C. D. 6.35 x 104 W 6.55 x 104 W 1.29 x 105 W 2.10 x 105 W 18. ____________ 19. Which of the following terms is defined as the average kinetic energy of the particles in a material? A. thermal energy B. heat C. caloric energy D. temperature 19. ____________ 20. Which form of thermal energy transfer is most effective in fluids? A. conduction B. convection C. radiation D. insulation 20. ____________ 21. Which form of thermal energy transfer causes the Sun to warm our atmosphere? A. conduction B. convection C. radiation D. insulation 21. ____________ Version 1 Page 7 of 16 Test A Physics 11 Module 3 Test A On-Line Course 22. Which of the following processes correctly describes heat transfer by conduction? A. B. C. D. Molecules within a substance bump into neighbouring molecules. Molecules spread out in a fluid; the fluid becomes less dense and rises. Molecules give off heat in the form of electromagnetic waves. Electromagnetic waves travel from one place to another in a vacuum. 22. ____________ 23. A small block of metal with a temperature of 10 ºCelsius is heated until the average kinetic energy of its particles doubles. What is the new temperature of this block? A. 20 ºC B. 283 ºC C. 293 ºC D. 566 ºC 23. ____________ 24. How much thermal energy is gained by a 1.8 kg piece of lead if its temperature is raised from 23 ºC to 55 ºC? A. 5.4 x 103 J B. 7.5 x 103 J C. 1.3 x 103 J D. 1.8 x 103 J 24. ____________ Version 1 Page 8 of 16 Test A Physics 11 Module 3 Test A On-Line Course PART B: WRITTEN INSTRUCTIONS: Work space has been incorporated into the space allowed for answering each question. Place the final answer for each question in the space provided. Full marks will NOT be given for the final answer only. 1. A physics student performs an experiment to measure the efficiency of a go-cart system. From rest, he rolls a cart of total mass 95 kg from the top of a 3.8 m-high hill. After rolling to the bottom of the hill, his go-cart reaches a speed of 6.7 m/s. m = 95 kg 3.8 m a) What is the total energy of student-and-go-cart before he begins the run? a) ____________ 2 marks b) Determine the kinetic energy of the student-and-go-cart at the bottom of the ramp. b) ____________ 2 marks c) Calculate the efficiency of the system. c) ____________ 2 marks Version 1 Page 9 of 16 Test A Physics 11 Module 3 Test A On-Line Course 2. A small electric motor with a power rating of 3.5 W is mounted on top of a desk. It is used to lift a 1.2 kg mass up from the floor to the desk top in a time of 2.8 s. a) How high is the desk? a) ____________ 3 marks b) The 1.2 kg mass is replaced by a larger 2.0 kg mass. How much time will it take for the motor to lift this new mass from the floor to the desk top? b) ____________ 3 marks Version 1 Page 10 of 16 Test A Physics 11 Module 3 Test A On-Line Course 3. A 3.5 x 104 kg truck travelling at 26 m/s loses its brakes on a steep mountainous highway. The driver sees a runaway ramp on the side of the road and steers toward it. 27 m/s h a) What is the minimum ramp height h1 required – where friction is negligible - for the truck to come safely to a stop? a) ____________ 3 marks b) Because loose gravel has been placed on the ramp, 5.8 x 106 J of heat and other forms of energy are produced as the truck rolls up the ramp. At what height h2 does the truck actually come to a stop? b) ____________ 3 marks Version 1 Page 11 of 16 Test A Physics 11 Module 3 Test A On-Line Course 4. A 2.0 kg piece of copper has an initial temperature of 23 ºC, and is heated up on a hot plate that has a power rating of 6.0 x 102 Watts. With the hot plate on ‘high’, the copper absorbs 5.0 x 104 J of thermal energy. a) What is the final temperature of the copper piece? a) ____________ 3 marks b) If it took 480 s to warm up the copper, what energy was given off by the hot plate? b) ____________ 2 marks c) What is the efficiency of the system in heating up the copper piece? c) ____________ 2 marks Version 1 Page 12 of 16 Test A Physics 11 Module 3 Test A On-Line Course 5. In a calorimeter, a 0.115 kg piece of iron with a temperature of 99.3 ºC is dropped into a calorimeter containing 0.120 kg of water. Over time, the temperature of both the water and the iron reaches 30.8 ºC. a) Calculate the heat transfer that takes place in the iron. a) ____________ 2 marks b) Find the change in temperature of the water. b) ____________ 3 marks c) What was the initial temperature of the water? c) ____________ 1 mark Version 1 Page 13 of 16 Test A Physics 11 Module 3 Test A On-Line Course Physics 11 Formula Sheet d = vt Kinematics v = vo + at Energy Fnet = ma Fload d effort = Feffort dload MA = W = Fd W = E Ep = mgh P= Ek = W t 1 2 mv 2 Ethermal = mcT Wout Pout = Win Pin Waves T= 1 f v = f Electric Circuits I= Q t V = IR Rseries = R1 + R2 + ... + Rn Version 1 Ffr = FN Fg = mg F = -kx efficiency = v + vo 2 1 d = vot + at 2 2 v 2 = vo2 + 2ad Forces v= Page 14 of 16  v  f = fs   v  v  s  P = IV 1 Rparallel = 1 1 1 + + ... + R1 R2 Rn Test A Physics 11 Module 3 Test A On-Line Course Table of Constants Acceleration due to gravity near Earths surface. g = 9.8 m/s2 Speed of light....................................................... c = 3.00 x 108 m/s Elementary charge............................................... e = 1.60 x 10-19 C Specific heat capacity c water.................................................... 4.18 x 103 J/kgC ice........................................................ 2.06 x 103 J/kgC methanol.............................................. 2.45 x 103 J/kgC iron....................................................... 4.46 x 102 J/kgC aluminum............................................. 9.03 x 102 J/kgC copper.................................................. 3.85 x 102 J/kgC lead…...................................................1.30 x 102 J/kgC Metric Prefixes Basic unit (e.g., meter, gram , liter)................ 1 centi- (c-)........................................................ 0.01 milli- (m-)....................................................... 0.001 micro- (-)...................................................... 0.000 001 kilo- (k-)......................................................... 1000 mega- (M-)..................................................... 1 000 000 giga- (G-)....................................................... 1 000 000 000 Version 1 Page 15 of 16 Test A Physics 11 Module 3 Test A On-Line Course Mathematical Equations For Right-angled Triangles: sin  = opposite hypotenuse Pythagorean theorem: cos  = adjacent hypotenuse , where tan  = opposite adjacent is the hypotenuse. Circle: Circumference = 2r Area = r2 Quadratic formula: The general quadratic equation Version 1 has the following roots: Page 16 of 16 Test A ... Purchase answer to see full attachment
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