A long straight wire and a rectangular loop lie in the same plane, as shown in the the figure above, where 11 = 6 A, 12 = 4 A, a = 15 cm, b = 30 cm, c = 30 cm. Find the net force on the loop due to the long wire. N (positive if to the right)
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- An E. coli bacterium can be modeled as a 0.50-um-diameter sphere that has the density of water. Rotating flagella propel a bacterium through 40° C water with a force of 75 EN, where 1 fN=1 femtonewton = 10-15 N. Part A What is the bacterium's speed in μm/s? Express your answer in micrometers per second. ΨΕ ΑΣΦ 7.16 107 DMC Submit Previous Answers Request Answer X Incorrect; Try Again ? um/sThis is incorrect. All of these answers were marked incorrect. a is asking for the magnitude of the force which should be N/m. These are all wrong pls fix.Please answer parts a -c
- I got Part B wrong and wasn't sure where at. Could someone walk me through it?All these can be explained by ray optics EXCEPT: a) the resolution of telescope. b) the transmission of signals in fiber optic. c) image reversal in a mirror. d) camera lens.In a charming 19th-century hotel, an old-style elevator is connected to a counterweight by a cable that passes over a rotating disk 2.00 m in diameter (Figure 1). The elevator is raised and lowered by turning the disk, and the cable does not slip on the rim of the disk but turns with it. Part A At how many rpm must the disk turn to raise the elevator at 35.0 cm/s? Express your answer in revolutions per minute. Nνα ΑΣφ W = rpm Part B Figure 1 of 1 To start the elevator moving, it must be accelerated at g. What must be the angular acceleration of the disk, in rad/s? Express your answer in radians per second squared. Πν ΑΣφ ? Disk a = rad/s? Counterweight Part C Elevator
- USE GRESA METHOD FOR THE SOLUTION 3. A 1.50 x 103 kg car, whose front is facing to the right (towards +x-axis) and whose engine is turned off and in neutral, is held at rest on a frictionless ramp using a cable whose one end is attached to the car's front at an angle 27.0° with respect to the ramp's surface. The other end of the cable is attached to a wall perpendicular to the horizontal and the ramp is raised 30.0° above the horizontal. (Note: A free-body diagram (FBD) is required in this problem) (a) Find the force exerted by the ramp on the car's wheels. (b) Find the tension on the cable. (c) Suppose the wall where the other end of the cable was attached was replaced by a rotating motor. If the car is now accelerating towards the peak of the ramp at 3.00 m/s2 due to the rotating motor, how much tension is being exerted by the cable on the car?Four small spheres, each of which you can regard as a point of mass m = 1.67 kg, are arranged in a square with side d = 0.46 m and connected by light rods. m BA rocket with mass 7.00×103 kgkg is in a circular orbit of radius 7.50×106 mm around the earth. The rocket's engines fire for a period of time to increase that radius to 8.80×106 mm, with the orbit again circular. Part A What is the change in the rocket's kinetic energy? Does the kinetic energy increase or decrease? Express your answer with the appropriate units. Enter positive value if the kinetic energy increases and negative value if the kinetic energy decreases. ΔKΔK = nothingnothing SubmitRequest Answer Part B What is the change in the rocket's gravitational potential energy? Does the potential energy increase or decrease? Express your answer with the appropriate units. Enter positive value if the gravitational potential energy increases and negative value if the gravitational potential energy decreases. ΔUΔU = nothingnothing SubmitRequest Answer Part C How much work…
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