QUESTION 1 Q1 Choose one - 5 points A moving electron has 0 Only an electric eld 0 Only a magnetic eld 0 Both electric and magnetic elds 0 Neither electric or magnetic elds. QUESTION 2 02 Choose one - 5 points If a negatively charged insulator is placed near a neutrally charged conductor 0 There will be a force of attraction between them. 0 There will be a force of repulsion between them. 0 There will be no electric force between them. QUESTION 3 03 Choose one - 5 points Three balls, each with a mass of 5kg, are positioned on the xaxis. Theyare located at 2 meters, 0 meters, and 1.5 meters. What is the moment of inertia if the system is rotated around the yaxis? O 31.25 kgm2 O 17.5 kgm2 O 2.5 kgm2 O 0 kgm2 QUESTION 4 Q4 Choose one - 5 points A10 kg ball displaces 50 N ofwater when submerged. What is the buoyant force on the ball? QUESTION 5 Q5 Choose one - 5 points v' The blue rod is rotating around the purple axis with a constant angular velocity. lfthe rod was to stretch (increase it's length) without changing mass, how will the angular velocity change? 0 the angularvelocity increases 0 the angularvelocity stays the same 0 the angularvelocity decreases QUESTION 6 Q6 Choose one - 5 points A wind turbine uses energy from the wind to force a coil of wire to move in relation to a permanent magnet. This converts kinetic energy in the wind into electrical energy (electric generator). This is an example of what? 0 Moment of inertia 0 Magnetic domains 0 Static electricity 0 Electromagnetic induction GROUP? Q7 Group - 3 questions This question has multiple parts that might require information calculated in one partto be used later in the problem. lfthis happens I will carry any mistakes through the problem so that missing one part will not cause you to miss other parts. Question 7 A point charge with a charge ofEC is fixed at point (3m,0). Asecond point charge with a charge of 72 C is xed at point (0,1m). QUESTION 7.1 7A Response - 8 points I A)What is the electric field at the origin in unit vector notation?(E=####i+####j} (Hint: be careful about the signs as they indicate direction) Vour response... 0 Wu rds ATTACH FlLElS) 5 DRAG & DROP Max size 4.0 GB QUESTION 7.2 7B Response ' 8 points If a third point charge with charge of 9 C was placed at the origin, what would be the net force on the third charge by the other two in unit vector notation. | 1r |!|- ilel-lnl Your response... 0 words ATTACH FlLElS) @ DRAG & DROP Max size 4.0 GB QUESTION 7.3 7C Response - 4 points If the third charge had a mass of 2kg and was free to move without friction, what would be its acceleration when rst released in unit vector notation? Your response... n ulnrrlr GROUPS Q8 Group - 7' questions A bicyde wheel has a radius of 0.4m and a mass of 2kg. Assume the mass ofthe spokes are small so you can treat the wheel as a hollow hoop. QUESTION 8.1 BA Response - 4 points What is the moment of inertia ofthe wheel spinning around its axel? Your response... 0 words ATI'AC H FlLElS) (B DRAG & DROP Max size 4.0 GB QUESTION 8.2 83 Response 6 points If a force of 10 N is applied tangentially to the outer edge of the wheel, what is the torque on the wheel around it axel? Your response... 0 words ATI'ACH FILEIS) (5 DRAG & DROP Max size 4.0 GB QUESTION 8.3 8C Response 8 points Assuming the wheel is free to spin without friction, what will be the angular a(releration of the wheel while this force is applied? Your response... 0 words \f