A wire carrying 5 A of current is oriented at 27° with respect to the magnetic field whose magnitude is 20 mT. What is the force per meter on this wire?
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Q: 92=-2.09 91=+q d d 93= -3.09 94 = -4.09
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- You go through a loop in a roller coaster at constant speed. Your acceleration is: A. zero B. straight down C. toward the center D. straight upHW5 Q51.) A projectile is fired from the top of a cliff 100m high with a velocity of 450 m/s directed at 45 degrees to the horizontal. Based from this problem, wow high the projectile will rise? a. none b. 5,604.442m c. 4,840.246m d. 6,004.008m e. 5,160.550m 2.) Three forces, F1=2Ni+3Nj, F2=-10Nj and F3=3Ni+1Nj-5Nk, act on a particle. Find the net force on the particle. a. 5Ni−6Nj−5Nk b. 5Ni+6Nj+5Nk c. 5Ni+6Nj−5Nk d. 5Ni−6Nj+5Nk
- You find yourself stranded on the middle of a frozen pond. The surface is so slick you are unable to get any traction. In an effort to save yourself, you take off your boot and throw it toward the west. This results in... A. you staying put. B. you sliding off to the east slower than the boot's speed. C. you sliding off to the east faster than the boot's speed. D. you sliding off to the west faster than the boot's speed. E. you sliding off to the west slower than the boot's speed.A small engine causes a 0.20-kg model airplane to accelerate at a rate of 12 m/s2 . What is the net force on the model airplane? A. 2.4 N B. 60. kg•m/s C. 2.4 kg•m/s D. 60 NB7
- W Mot X DThe X G dece X x C G dece x S S Stud X E Grac X Grac XE Grac X G mot X G net X G g to X Revi X a classroom.google.com/u/0/c/M]Y4MTUXMDQ3MZQZ/a/MzExODMzNzQwOTQw/details c) What is the average velocity of each car for the first 10s? 4. A car is travelling at 10 m.s when the driver sees a police car. The driver brakes and decelerates at 4 m.s for 2 seconds. After 2 seconds of braking, the driver is confident that the police have not seen him so speeds up again to his original speed in 4 seconds and then maintains his original speed. 10 6. 8. 7. 5. 41 2. 1. 0 1 2 3 4 5 Time (s) a) What is the acceleration when the driver is speeding up again? 9. 7 8 9 10 b) What is lowest instantaneous velocity of the car and at what time does it occur? c) What is the displacement of the car travel under braking? Type here to search 6, 3. Velocity (m/s)QUESTION 19 When a car gets to the bottom of a hill, the driver releases the accelerator so that the car coasts up the hill. If the car reaches a vertical height of 10 m from the bottom of the hill, what was the initial speed of the car at the bottom? (Neglect rolling friction and assume that the car does not slide.) а. 14 m/s b. 10 m/s C. 16 m/s d. 18 m/s е. 12 m/s