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- Consider the following 3 planar circles with identical mass density per unit area of a. One of the circles is put between and above the other 2 identical circles (radius R). The radii of contact points betwoen the upper cirele and the lower cireles make an angle 0 with the horizontal. Ignoring all the frictions, what is the horizontal force, F, on each side of the lower circle in order to keep them stationary?You want to get bright spot on the screen that is the shape of the number 5 . What should you do to achieve this ? Why?1 An electron moves in the magnetic field B=0.35i T with a speed of 1.0 x 107 m/s in the directions shown in (Figure 1) and (Figure 2). For help with math skills, you may want to review: The Vector Cross Product Figure F2 # 3 E D C 80 F3 $ 4 R F a F4 V % 5 T 0 F5 G 6 B ▼ ▼ ); Fó Y Part A What is magnetic force on the electron for (Figure 1)? Enter components of the force in piconewtons separated by commas. View Available Hint(s) Fz. Fy, F₂0,-0.56,0 pN Submit Part B I ✓ Correct MODEL: A magnetic field exerts a magnetic force on a moving charge. SOLVE: The force is Fon qqu x B=(-1.60 x 10-19 C)(1.0 x 107km/s) x (0.351 T) = -5.6 × 10-13 N = What is magnetic force F on the electron for (Figure 2)? Enter components of the force in piconewtons separated by commas. View Available Hint(s) Provide Feedback Fz, Fy, F₂ = H Submit Previous Answers & 7 N F7 U IVE] ΑΣΦ J * 8 00 DII FB 1 I M Ò C 9 K F9 O ? ) O pN 4 F10 L P F11 : ● + F12 = "1 Mov $
- y! Use the graph of t X (56) YouTube Hairdresser Reacts X College Physics by × .A commuter airpl X The eye of a hurric X Homework: PHYS- O File | C:/Users/Faith/Downloads/College%20Physics%20by%20Raymond%20A.%20Serway,%20Chris%20Vuille%20(z-lib.org).pdf Apps College Physics by Raymond A. Serway, Chris Vuille (z-lib.org).pdf 54 / 1050 237% + 11 from the line of scrimmage, runs and then runs sideways parallel to 15.0 yards. At this point, he throws raight downfield, perpendicular to v far is the football from its original 71. A commuter airplane starts from an airport and takes the route shown in Figure Pl1.71. The plane first flies to city A, located 175 km away in a direction 30.0° north of east. Next, it flies for 150. km 20.0° west of north, to city B. Finally, the plane flies 190. km due west, to city C. Find the location of C relative to the location of the starting point. city ent of –25.0 units and a y-compo- у (km) 250 E ne magnitude and direction of the C В W →E ta is 730.…Seconds uhile it is coun cauming to a shop 42.) A 0.050 kq white ball is thrown hori zontaly tou ord The bartter suings the bat and hits the bally boatter of 12.3 mls o a applying Hhe ball to head back in the an ave rage force f 15.714N to te ball e opposte causing diredtion Causu from the ba Her) at d.70 mis, lossumpg that away drom hatter is the possitive t-diedin, determine the time that the boot and ball wire in Cantact, Report in Mondreths of ansaer your second enter humerical volveLet's consider two vectors, A = (-7, 10), B = (-5, -8), and C = (-1, 6) as shown below. A C B What is the magnitude of A+ B+ C? Answer What is the direction (8) of A+B+C relative to +x-axis? a-839 b. 20 C-85 3 d. 148°